Home / 23,118.67-34,678.01-13,251.16

Finding the Fourth Proportional to 23,118.67, 34,678.01 and 13,251.16

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Solution

The fourth proportional to 23,118.67, 34,678.01 and 13,251.16 is: 19,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.67 : 34,678.01 = 13,251.16 : x
  2. Step 2: Convert to fraction form
    23,118.67/34,678.01 = 13,251.16/x
  3. Step 3: Cross multiply
    23,118.67x = 34,678.01 × 13,251.16
  4. Step 4: Simplify right side
    23,118.67x = 459,523,858.99
  5. Step 5: Solve for x
    x = 459,523,858.99/23,118.67
  6. Step 6: Final answer
    x = 19,876.74

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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.