Home / 10,108.52-15,154.14-6,638.12

Finding the Fourth Proportional to 10,108.52, 15,154.14 and 6,638.12

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Solution

The fourth proportional to 10,108.52, 15,154.14 and 6,638.12 is: 9,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.52 : 15,154.14 = 6,638.12 : x
  2. Step 2: Convert to fraction form
    10,108.52/15,154.14 = 6,638.12/x
  3. Step 3: Cross multiply
    10,108.52x = 15,154.14 × 6,638.12
  4. Step 4: Simplify right side
    10,108.52x = 100,594,999.82
  5. Step 5: Solve for x
    x = 100,594,999.82/10,108.52
  6. Step 6: Final answer
    x = 9,951.51

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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.