Home / 10,640.76-14,680.25-6,162.87

Finding the Fourth Proportional to 10,640.76, 14,680.25 and 6,162.87

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Solution

The fourth proportional to 10,640.76, 14,680.25 and 6,162.87 is: 8,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.76 : 14,680.25 = 6,162.87 : x
  2. Step 2: Convert to fraction form
    10,640.76/14,680.25 = 6,162.87/x
  3. Step 3: Cross multiply
    10,640.76x = 14,680.25 × 6,162.87
  4. Step 4: Simplify right side
    10,640.76x = 90,472,472.32
  5. Step 5: Solve for x
    x = 90,472,472.32/10,640.76
  6. Step 6: Final answer
    x = 8,502.44

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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.