Home / 15,520.80-23,267.94-6,749.04

Finding the Fourth Proportional to 15,520.80, 23,267.94 and 6,749.04

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Solution

The fourth proportional to 15,520.80, 23,267.94 and 6,749.04 is: 10,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.80 : 23,267.94 = 6,749.04 : x
  2. Step 2: Convert to fraction form
    15,520.80/23,267.94 = 6,749.04/x
  3. Step 3: Cross multiply
    15,520.80x = 23,267.94 × 6,749.04
  4. Step 4: Simplify right side
    15,520.80x = 157,036,257.78
  5. Step 5: Solve for x
    x = 157,036,257.78/15,520.80
  6. Step 6: Final answer
    x = 10,117.79

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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.