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Finding the Fourth Proportional to 65,876.98, 98,815.13 and 15,957.08

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Solution

The fourth proportional to 65,876.98, 98,815.13 and 15,957.08 is: 23,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.98 : 98,815.13 = 15,957.08 : x
  2. Step 2: Convert to fraction form
    65,876.98/98,815.13 = 15,957.08/x
  3. Step 3: Cross multiply
    65,876.98x = 98,815.13 × 15,957.08
  4. Step 4: Simplify right side
    65,876.98x = 1,576,800,934.62
  5. Step 5: Solve for x
    x = 1,576,800,934.62/65,876.98
  6. Step 6: Final answer
    x = 23,935.54

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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.