Home / 22,836.04-31,513.26-12,764.20

Finding the Fourth Proportional to 22,836.04, 31,513.26 and 12,764.20

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Solution

The fourth proportional to 22,836.04, 31,513.26 and 12,764.20 is: 17,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.04 : 31,513.26 = 12,764.20 : x
  2. Step 2: Convert to fraction form
    22,836.04/31,513.26 = 12,764.20/x
  3. Step 3: Cross multiply
    22,836.04x = 31,513.26 × 12,764.20
  4. Step 4: Simplify right side
    22,836.04x = 402,241,553.29
  5. Step 5: Solve for x
    x = 402,241,553.29/22,836.04
  6. Step 6: Final answer
    x = 17,614.33

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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.