Home / 22,777.92-34,123.14-13,398.12

Finding the Fourth Proportional to 22,777.92, 34,123.14 and 13,398.12

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Solution

The fourth proportional to 22,777.92, 34,123.14 and 13,398.12 is: 20,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.92 : 34,123.14 = 13,398.12 : x
  2. Step 2: Convert to fraction form
    22,777.92/34,123.14 = 13,398.12/x
  3. Step 3: Cross multiply
    22,777.92x = 34,123.14 × 13,398.12
  4. Step 4: Simplify right side
    22,777.92x = 457,185,924.50
  5. Step 5: Solve for x
    x = 457,185,924.50/22,777.92
  6. Step 6: Final answer
    x = 20,071.45

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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.