Home / 22,329.83-30,812.90-13,377.11

Finding the Fourth Proportional to 22,329.83, 30,812.90 and 13,377.11

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Solution

The fourth proportional to 22,329.83, 30,812.90 and 13,377.11 is: 18,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.83 : 30,812.90 = 13,377.11 : x
  2. Step 2: Convert to fraction form
    22,329.83/30,812.90 = 13,377.11/x
  3. Step 3: Cross multiply
    22,329.83x = 30,812.90 × 13,377.11
  4. Step 4: Simplify right side
    22,329.83x = 412,187,432.10
  5. Step 5: Solve for x
    x = 412,187,432.10/22,329.83
  6. Step 6: Final answer
    x = 18,459.05

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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.