Home / 19,547.28-29,328.30-11,761.56

Finding the Fourth Proportional to 19,547.28, 29,328.30 and 11,761.56

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Solution

The fourth proportional to 19,547.28, 29,328.30 and 11,761.56 is: 17,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.28 : 29,328.30 = 11,761.56 : x
  2. Step 2: Convert to fraction form
    19,547.28/29,328.30 = 11,761.56/x
  3. Step 3: Cross multiply
    19,547.28x = 29,328.30 × 11,761.56
  4. Step 4: Simplify right side
    19,547.28x = 344,946,560.15
  5. Step 5: Solve for x
    x = 344,946,560.15/19,547.28
  6. Step 6: Final answer
    x = 17,646.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.