Home / 15,769.30-23,711.55-13,234.90

Finding the Fourth Proportional to 15,769.30, 23,711.55 and 13,234.90

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Solution

The fourth proportional to 15,769.30, 23,711.55 and 13,234.90 is: 19,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.30 : 23,711.55 = 13,234.90 : x
  2. Step 2: Convert to fraction form
    15,769.30/23,711.55 = 13,234.90/x
  3. Step 3: Cross multiply
    15,769.30x = 23,711.55 × 13,234.90
  4. Step 4: Simplify right side
    15,769.30x = 313,819,993.10
  5. Step 5: Solve for x
    x = 313,819,993.10/15,769.30
  6. Step 6: Final answer
    x = 19,900.69

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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.