Home / 10,702.38-14,769.39-6,453.66

Finding the Fourth Proportional to 10,702.38, 14,769.39 and 6,453.66

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Solution

The fourth proportional to 10,702.38, 14,769.39 and 6,453.66 is: 8,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.38 : 14,769.39 = 6,453.66 : x
  2. Step 2: Convert to fraction form
    10,702.38/14,769.39 = 6,453.66/x
  3. Step 3: Cross multiply
    10,702.38x = 14,769.39 × 6,453.66
  4. Step 4: Simplify right side
    10,702.38x = 95,316,621.47
  5. Step 5: Solve for x
    x = 95,316,621.47/10,702.38
  6. Step 6: Final answer
    x = 8,906.11

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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.