Home / 21,997.87-30,349.10-14,448.29

Finding the Fourth Proportional to 21,997.87, 30,349.10 and 14,448.29

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Solution

The fourth proportional to 21,997.87, 30,349.10 and 14,448.29 is: 19,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.87 : 30,349.10 = 14,448.29 : x
  2. Step 2: Convert to fraction form
    21,997.87/30,349.10 = 14,448.29/x
  3. Step 3: Cross multiply
    21,997.87x = 30,349.10 × 14,448.29
  4. Step 4: Simplify right side
    21,997.87x = 438,492,598.04
  5. Step 5: Solve for x
    x = 438,492,598.04/21,997.87
  6. Step 6: Final answer
    x = 19,933.41

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Double scale
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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.