Home / 15,217.83-22,765.23-13,160.70

Finding the Fourth Proportional to 15,217.83, 22,765.23 and 13,160.70

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Solution

The fourth proportional to 15,217.83, 22,765.23 and 13,160.70 is: 19,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.83 : 22,765.23 = 13,160.70 : x
  2. Step 2: Convert to fraction form
    15,217.83/22,765.23 = 13,160.70/x
  3. Step 3: Cross multiply
    15,217.83x = 22,765.23 × 13,160.70
  4. Step 4: Simplify right side
    15,217.83x = 299,606,362.46
  5. Step 5: Solve for x
    x = 299,606,362.46/15,217.83
  6. Step 6: Final answer
    x = 19,687.85

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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.