Home / 10,424.40-15,636.76-3,498.96

Finding the Fourth Proportional to 10,424.40, 15,636.76 and 3,498.96

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Solution

The fourth proportional to 10,424.40, 15,636.76 and 3,498.96 is: 5,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.40 : 15,636.76 = 3,498.96 : x
  2. Step 2: Convert to fraction form
    10,424.40/15,636.76 = 3,498.96/x
  3. Step 3: Cross multiply
    10,424.40x = 15,636.76 × 3,498.96
  4. Step 4: Simplify right side
    10,424.40x = 54,712,397.77
  5. Step 5: Solve for x
    x = 54,712,397.77/10,424.40
  6. Step 6: Final answer
    x = 5,248.49

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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.