Home / 19,664.68-29,472.40-15,488.18

Finding the Fourth Proportional to 19,664.68, 29,472.40 and 15,488.18

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Solution

The fourth proportional to 19,664.68, 29,472.40 and 15,488.18 is: 23,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.68 : 29,472.40 = 15,488.18 : x
  2. Step 2: Convert to fraction form
    19,664.68/29,472.40 = 15,488.18/x
  3. Step 3: Cross multiply
    19,664.68x = 29,472.40 × 15,488.18
  4. Step 4: Simplify right side
    19,664.68x = 456,473,836.23
  5. Step 5: Solve for x
    x = 456,473,836.23/19,664.68
  6. Step 6: Final answer
    x = 23,212.88

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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.