Home / 22,915.80-34,365.60-8,125.20

Finding the Fourth Proportional to 22,915.80, 34,365.60 and 8,125.20

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Solution

The fourth proportional to 22,915.80, 34,365.60 and 8,125.20 is: 12,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.80 : 34,365.60 = 8,125.20 : x
  2. Step 2: Convert to fraction form
    22,915.80/34,365.60 = 8,125.20/x
  3. Step 3: Cross multiply
    22,915.80x = 34,365.60 × 8,125.20
  4. Step 4: Simplify right side
    22,915.80x = 279,227,373.12
  5. Step 5: Solve for x
    x = 279,227,373.12/22,915.80
  6. Step 6: Final answer
    x = 12,184.93

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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.