Home / 19,937.54-29,915.22-11,172.44

Finding the Fourth Proportional to 19,937.54, 29,915.22 and 11,172.44

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Solution

The fourth proportional to 19,937.54, 29,915.22 and 11,172.44 is: 16,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.54 : 29,915.22 = 11,172.44 : x
  2. Step 2: Convert to fraction form
    19,937.54/29,915.22 = 11,172.44/x
  3. Step 3: Cross multiply
    19,937.54x = 29,915.22 × 11,172.44
  4. Step 4: Simplify right side
    19,937.54x = 334,226,000.54
  5. Step 5: Solve for x
    x = 334,226,000.54/19,937.54
  6. Step 6: Final answer
    x = 16,763.65

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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.