Home / 15,874.43-23,812.63-4,187.66

Finding the Fourth Proportional to 15,874.43, 23,812.63 and 4,187.66

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Solution

The fourth proportional to 15,874.43, 23,812.63 and 4,187.66 is: 6,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.43 : 23,812.63 = 4,187.66 : x
  2. Step 2: Convert to fraction form
    15,874.43/23,812.63 = 4,187.66/x
  3. Step 3: Cross multiply
    15,874.43x = 23,812.63 × 4,187.66
  4. Step 4: Simplify right side
    15,874.43x = 99,719,068.61
  5. Step 5: Solve for x
    x = 99,719,068.61/15,874.43
  6. Step 6: Final answer
    x = 6,281.74

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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.