Home / 13,141.56-18,115.20-10,484.76

Finding the Fourth Proportional to 13,141.56, 18,115.20 and 10,484.76

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Solution

The fourth proportional to 13,141.56, 18,115.20 and 10,484.76 is: 14,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.56 : 18,115.20 = 10,484.76 : x
  2. Step 2: Convert to fraction form
    13,141.56/18,115.20 = 10,484.76/x
  3. Step 3: Cross multiply
    13,141.56x = 18,115.20 × 10,484.76
  4. Step 4: Simplify right side
    13,141.56x = 189,933,524.35
  5. Step 5: Solve for x
    x = 189,933,524.35/13,141.56
  6. Step 6: Final answer
    x = 14,452.89

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Double scale
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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.