Home / 10,123.92-15,177.80-6,795.68

Finding the Fourth Proportional to 10,123.92, 15,177.80 and 6,795.68

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Solution

The fourth proportional to 10,123.92, 15,177.80 and 6,795.68 is: 10,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.92 : 15,177.80 = 6,795.68 : x
  2. Step 2: Convert to fraction form
    10,123.92/15,177.80 = 6,795.68/x
  3. Step 3: Cross multiply
    10,123.92x = 15,177.80 × 6,795.68
  4. Step 4: Simplify right side
    10,123.92x = 103,143,471.90
  5. Step 5: Solve for x
    x = 103,143,471.90/10,123.92
  6. Step 6: Final answer
    x = 10,188.10

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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.