Home / 22,915.80-34,353.70-8,885.40

Finding the Fourth Proportional to 22,915.80, 34,353.70 and 8,885.40

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Solution

The fourth proportional to 22,915.80, 34,353.70 and 8,885.40 is: 13,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.80 : 34,353.70 = 8,885.40 : x
  2. Step 2: Convert to fraction form
    22,915.80/34,353.70 = 8,885.40/x
  3. Step 3: Cross multiply
    22,915.80x = 34,353.70 × 8,885.40
  4. Step 4: Simplify right side
    22,915.80x = 305,246,365.98
  5. Step 5: Solve for x
    x = 305,246,365.98/22,915.80
  6. Step 6: Final answer
    x = 13,320.35

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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.