Home / 10,108.40-15,165.12-5,951.84

Finding the Fourth Proportional to 10,108.40, 15,165.12 and 5,951.84

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Solution

The fourth proportional to 10,108.40, 15,165.12 and 5,951.84 is: 8,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.40 : 15,165.12 = 5,951.84 : x
  2. Step 2: Convert to fraction form
    10,108.40/15,165.12 = 5,951.84/x
  3. Step 3: Cross multiply
    10,108.40x = 15,165.12 × 5,951.84
  4. Step 4: Simplify right side
    10,108.40x = 90,260,367.82
  5. Step 5: Solve for x
    x = 90,260,367.82/10,108.40
  6. Step 6: Final answer
    x = 8,929.24

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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.