Home / 14,266.68-19,687.46-7,980.26

Finding the Fourth Proportional to 14,266.68, 19,687.46 and 7,980.26

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Solution

The fourth proportional to 14,266.68, 19,687.46 and 7,980.26 is: 11,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.68 : 19,687.46 = 7,980.26 : x
  2. Step 2: Convert to fraction form
    14,266.68/19,687.46 = 7,980.26/x
  3. Step 3: Cross multiply
    14,266.68x = 19,687.46 × 7,980.26
  4. Step 4: Simplify right side
    14,266.68x = 157,111,049.54
  5. Step 5: Solve for x
    x = 157,111,049.54/14,266.68
  6. Step 6: Final answer
    x = 11,012.45

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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.