Home / 10,257.42-15,386.13-5,877.66

Finding the Fourth Proportional to 10,257.42, 15,386.13 and 5,877.66

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Solution

The fourth proportional to 10,257.42, 15,386.13 and 5,877.66 is: 8,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.42 : 15,386.13 = 5,877.66 : x
  2. Step 2: Convert to fraction form
    10,257.42/15,386.13 = 5,877.66/x
  3. Step 3: Cross multiply
    10,257.42x = 15,386.13 × 5,877.66
  4. Step 4: Simplify right side
    10,257.42x = 90,434,440.86
  5. Step 5: Solve for x
    x = 90,434,440.86/10,257.42
  6. Step 6: Final answer
    x = 8,816.49

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Half scale
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Double scale
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Similar ratio
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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.