Home / 15,251.46-21,045.58-8,877.76

Finding the Fourth Proportional to 15,251.46, 21,045.58 and 8,877.76

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Solution

The fourth proportional to 15,251.46, 21,045.58 and 8,877.76 is: 12,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.46 : 21,045.58 = 8,877.76 : x
  2. Step 2: Convert to fraction form
    15,251.46/21,045.58 = 8,877.76/x
  3. Step 3: Cross multiply
    15,251.46x = 21,045.58 × 8,877.76
  4. Step 4: Simplify right side
    15,251.46x = 186,837,608.30
  5. Step 5: Solve for x
    x = 186,837,608.30/15,251.46
  6. Step 6: Final answer
    x = 12,250.47

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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.