Home / 15,195.47-20,944.65-10,157.85

Finding the Fourth Proportional to 15,195.47, 20,944.65 and 10,157.85

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Solution

The fourth proportional to 15,195.47, 20,944.65 and 10,157.85 is: 14,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.47 : 20,944.65 = 10,157.85 : x
  2. Step 2: Convert to fraction form
    15,195.47/20,944.65 = 10,157.85/x
  3. Step 3: Cross multiply
    15,195.47x = 20,944.65 × 10,157.85
  4. Step 4: Simplify right side
    15,195.47x = 212,752,626.49
  5. Step 5: Solve for x
    x = 212,752,626.49/15,195.47
  6. Step 6: Final answer
    x = 14,001.06

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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.