Home / 14,259.28-19,677.48-7,972.24

Finding the Fourth Proportional to 14,259.28, 19,677.48 and 7,972.24

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Solution

The fourth proportional to 14,259.28, 19,677.48 and 7,972.24 is: 11,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.28 : 19,677.48 = 7,972.24 : x
  2. Step 2: Convert to fraction form
    14,259.28/19,677.48 = 7,972.24/x
  3. Step 3: Cross multiply
    14,259.28x = 19,677.48 × 7,972.24
  4. Step 4: Simplify right side
    14,259.28x = 156,873,593.16
  5. Step 5: Solve for x
    x = 156,873,593.16/14,259.28
  6. Step 6: Final answer
    x = 11,001.51

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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.