Home / 10,370.10-15,538.05-5,979.90

Finding the Fourth Proportional to 10,370.10, 15,538.05 and 5,979.90

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Solution

The fourth proportional to 10,370.10, 15,538.05 and 5,979.90 is: 8,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.10 : 15,538.05 = 5,979.90 : x
  2. Step 2: Convert to fraction form
    10,370.10/15,538.05 = 5,979.90/x
  3. Step 3: Cross multiply
    10,370.10x = 15,538.05 × 5,979.90
  4. Step 4: Simplify right side
    10,370.10x = 92,915,985.20
  5. Step 5: Solve for x
    x = 92,915,985.20/10,370.10
  6. Step 6: Final answer
    x = 8,959.99

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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.