Home / 10,892.43-15,030.68-6,177.15

Finding the Fourth Proportional to 10,892.43, 15,030.68 and 6,177.15

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Solution

The fourth proportional to 10,892.43, 15,030.68 and 6,177.15 is: 8,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.43 : 15,030.68 = 6,177.15 : x
  2. Step 2: Convert to fraction form
    10,892.43/15,030.68 = 6,177.15/x
  3. Step 3: Cross multiply
    10,892.43x = 15,030.68 × 6,177.15
  4. Step 4: Simplify right side
    10,892.43x = 92,846,734.08
  5. Step 5: Solve for x
    x = 92,846,734.08/10,892.43
  6. Step 6: Final answer
    x = 8,523.97

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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.