Home / 14,418-21,617.28-11,599.20

Finding the Fourth Proportional to 14,418, 21,617.28 and 11,599.20

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Solution

The fourth proportional to 14,418, 21,617.28 and 11,599.20 is: 17,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418 : 21,617.28 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    14,418/21,617.28 = 11,599.20/x
  3. Step 3: Cross multiply
    14,418x = 21,617.28 × 11,599.20
  4. Step 4: Simplify right side
    14,418x = 250,743,154.18
  5. Step 5: Solve for x
    x = 250,743,154.18/14,418
  6. Step 6: Final answer
    x = 17,390.98

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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.