Home / 15,285.13-22,920.13-5,422.93

Finding the Fourth Proportional to 15,285.13, 22,920.13 and 5,422.93

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Solution

The fourth proportional to 15,285.13, 22,920.13 and 5,422.93 is: 8,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.13 : 22,920.13 = 5,422.93 : x
  2. Step 2: Convert to fraction form
    15,285.13/22,920.13 = 5,422.93/x
  3. Step 3: Cross multiply
    15,285.13x = 22,920.13 × 5,422.93
  4. Step 4: Simplify right side
    15,285.13x = 124,294,260.58
  5. Step 5: Solve for x
    x = 124,294,260.58/15,285.13
  6. Step 6: Final answer
    x = 8,131.71

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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.