Home / 19,115.38-26,392.08-14,631.10

Finding the Fourth Proportional to 19,115.38, 26,392.08 and 14,631.10

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Solution

The fourth proportional to 19,115.38, 26,392.08 and 14,631.10 is: 20,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.38 : 26,392.08 = 14,631.10 : x
  2. Step 2: Convert to fraction form
    19,115.38/26,392.08 = 14,631.10/x
  3. Step 3: Cross multiply
    19,115.38x = 26,392.08 × 14,631.10
  4. Step 4: Simplify right side
    19,115.38x = 386,145,161.69
  5. Step 5: Solve for x
    x = 386,145,161.69/19,115.38
  6. Step 6: Final answer
    x = 20,200.76

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.