Home / 18,954.32-28,432.92-5,807.66

Finding the Fourth Proportional to 18,954.32, 28,432.92 and 5,807.66

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Solution

The fourth proportional to 18,954.32, 28,432.92 and 5,807.66 is: 8,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.32 : 28,432.92 = 5,807.66 : x
  2. Step 2: Convert to fraction form
    18,954.32/28,432.92 = 5,807.66/x
  3. Step 3: Cross multiply
    18,954.32x = 28,432.92 × 5,807.66
  4. Step 4: Simplify right side
    18,954.32x = 165,128,732.17
  5. Step 5: Solve for x
    x = 165,128,732.17/18,954.32
  6. Step 6: Final answer
    x = 8,711.93

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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.