Home / 15,187.46-22,784.49-4,657.52

Finding the Fourth Proportional to 15,187.46, 22,784.49 and 4,657.52

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Solution

The fourth proportional to 15,187.46, 22,784.49 and 4,657.52 is: 6,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.46 : 22,784.49 = 4,657.52 : x
  2. Step 2: Convert to fraction form
    15,187.46/22,784.49 = 4,657.52/x
  3. Step 3: Cross multiply
    15,187.46x = 22,784.49 × 4,657.52
  4. Step 4: Simplify right side
    15,187.46x = 106,119,217.86
  5. Step 5: Solve for x
    x = 106,119,217.86/15,187.46
  6. Step 6: Final answer
    x = 6,987.29

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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.