Home / 10,385.92-14,330.24-6,195.20

Finding the Fourth Proportional to 10,385.92, 14,330.24 and 6,195.20

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Solution

The fourth proportional to 10,385.92, 14,330.24 and 6,195.20 is: 8,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.92 : 14,330.24 = 6,195.20 : x
  2. Step 2: Convert to fraction form
    10,385.92/14,330.24 = 6,195.20/x
  3. Step 3: Cross multiply
    10,385.92x = 14,330.24 × 6,195.20
  4. Step 4: Simplify right side
    10,385.92x = 88,778,702.85
  5. Step 5: Solve for x
    x = 88,778,702.85/10,385.92
  6. Step 6: Final answer
    x = 8,547.99

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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.