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Finding the Fourth Proportional to 10,610.65, 15,913.93 and 10,083.80

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Solution

The fourth proportional to 10,610.65, 15,913.93 and 10,083.80 is: 15,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.65 : 15,913.93 = 10,083.80 : x
  2. Step 2: Convert to fraction form
    10,610.65/15,913.93 = 10,083.80/x
  3. Step 3: Cross multiply
    10,610.65x = 15,913.93 × 10,083.80
  4. Step 4: Simplify right side
    10,610.65x = 160,472,887.33
  5. Step 5: Solve for x
    x = 160,472,887.33/10,610.65
  6. Step 6: Final answer
    x = 15,123.76

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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.