Home / 10,944.65-15,103.40-6,695.39

Finding the Fourth Proportional to 10,944.65, 15,103.40 and 6,695.39

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Solution

The fourth proportional to 10,944.65, 15,103.40 and 6,695.39 is: 9,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.65 : 15,103.40 = 6,695.39 : x
  2. Step 2: Convert to fraction form
    10,944.65/15,103.40 = 6,695.39/x
  3. Step 3: Cross multiply
    10,944.65x = 15,103.40 × 6,695.39
  4. Step 4: Simplify right side
    10,944.65x = 101,123,157.61
  5. Step 5: Solve for x
    x = 101,123,157.61/10,944.65
  6. Step 6: Final answer
    x = 9,239.50

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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.