Home / 23,690.02-32,691.72-13,618.20

Finding the Fourth Proportional to 23,690.02, 32,691.72 and 13,618.20

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Solution

The fourth proportional to 23,690.02, 32,691.72 and 13,618.20 is: 18,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.02 : 32,691.72 = 13,618.20 : x
  2. Step 2: Convert to fraction form
    23,690.02/32,691.72 = 13,618.20/x
  3. Step 3: Cross multiply
    23,690.02x = 32,691.72 × 13,618.20
  4. Step 4: Simplify right side
    23,690.02x = 445,202,381.30
  5. Step 5: Solve for x
    x = 445,202,381.30/23,690.02
  6. Step 6: Final answer
    x = 18,792.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.