Home / 22,915.59-34,305.35-12,495.75

Finding the Fourth Proportional to 22,915.59, 34,305.35 and 12,495.75

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Solution

The fourth proportional to 22,915.59, 34,305.35 and 12,495.75 is: 18,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.59 : 34,305.35 = 12,495.75 : x
  2. Step 2: Convert to fraction form
    22,915.59/34,305.35 = 12,495.75/x
  3. Step 3: Cross multiply
    22,915.59x = 34,305.35 × 12,495.75
  4. Step 4: Simplify right side
    22,915.59x = 428,671,014.78
  5. Step 5: Solve for x
    x = 428,671,014.78/22,915.59
  6. Step 6: Final answer
    x = 18,706.52

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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.