Home / 15,200.80-22,769.61-7,782.82

Finding the Fourth Proportional to 15,200.80, 22,769.61 and 7,782.82

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Solution

The fourth proportional to 15,200.80, 22,769.61 and 7,782.82 is: 11,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.80 : 22,769.61 = 7,782.82 : x
  2. Step 2: Convert to fraction form
    15,200.80/22,769.61 = 7,782.82/x
  3. Step 3: Cross multiply
    15,200.80x = 22,769.61 × 7,782.82
  4. Step 4: Simplify right side
    15,200.80x = 177,211,776.10
  5. Step 5: Solve for x
    x = 177,211,776.10/15,200.80
  6. Step 6: Final answer
    x = 11,658.06

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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.