Home / 15,323.50-22,990.79-7,537.78

Finding the Fourth Proportional to 15,323.50, 22,990.79 and 7,537.78

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Solution

The fourth proportional to 15,323.50, 22,990.79 and 7,537.78 is: 11,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.50 : 22,990.79 = 7,537.78 : x
  2. Step 2: Convert to fraction form
    15,323.50/22,990.79 = 7,537.78/x
  3. Step 3: Cross multiply
    15,323.50x = 22,990.79 × 7,537.78
  4. Step 4: Simplify right side
    15,323.50x = 173,299,517.05
  5. Step 5: Solve for x
    x = 173,299,517.05/15,323.50
  6. Step 6: Final answer
    x = 11,309.40

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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.