Home / 21,998.14-30,349.46-14,448.57

Finding the Fourth Proportional to 21,998.14, 30,349.46 and 14,448.57

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Solution

The fourth proportional to 21,998.14, 30,349.46 and 14,448.57 is: 19,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.14 : 30,349.46 = 14,448.57 : x
  2. Step 2: Convert to fraction form
    21,998.14/30,349.46 = 14,448.57/x
  3. Step 3: Cross multiply
    21,998.14x = 30,349.46 × 14,448.57
  4. Step 4: Simplify right side
    21,998.14x = 438,506,297.27
  5. Step 5: Solve for x
    x = 438,506,297.27/21,998.14
  6. Step 6: Final answer
    x = 19,933.79

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.