Home / 15,260.70-21,059.27-8,454.44

Finding the Fourth Proportional to 15,260.70, 21,059.27 and 8,454.44

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Solution

The fourth proportional to 15,260.70, 21,059.27 and 8,454.44 is: 11,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.70 : 21,059.27 = 8,454.44 : x
  2. Step 2: Convert to fraction form
    15,260.70/21,059.27 = 8,454.44/x
  3. Step 3: Cross multiply
    15,260.70x = 21,059.27 × 8,454.44
  4. Step 4: Simplify right side
    15,260.70x = 178,044,350.93
  5. Step 5: Solve for x
    x = 178,044,350.93/15,260.70
  6. Step 6: Final answer
    x = 11,666.85

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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.