Home / 18,102.18-24,963.51-12,722.88

Finding the Fourth Proportional to 18,102.18, 24,963.51 and 12,722.88

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Solution

The fourth proportional to 18,102.18, 24,963.51 and 12,722.88 is: 17,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.18 : 24,963.51 = 12,722.88 : x
  2. Step 2: Convert to fraction form
    18,102.18/24,963.51 = 12,722.88/x
  3. Step 3: Cross multiply
    18,102.18x = 24,963.51 × 12,722.88
  4. Step 4: Simplify right side
    18,102.18x = 317,607,742.11
  5. Step 5: Solve for x
    x = 317,607,742.11/18,102.18
  6. Step 6: Final answer
    x = 17,545.28

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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.