Home / 14,227.28-19,637.17-8,642.96

Finding the Fourth Proportional to 14,227.28, 19,637.17 and 8,642.96

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Solution

The fourth proportional to 14,227.28, 19,637.17 and 8,642.96 is: 11,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.28 : 19,637.17 = 8,642.96 : x
  2. Step 2: Convert to fraction form
    14,227.28/19,637.17 = 8,642.96/x
  3. Step 3: Cross multiply
    14,227.28x = 19,637.17 × 8,642.96
  4. Step 4: Simplify right side
    14,227.28x = 169,723,274.82
  5. Step 5: Solve for x
    x = 169,723,274.82/14,227.28
  6. Step 6: Final answer
    x = 11,929.43

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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.