Home / 18,082.32-24,943.56-12,712.96

Finding the Fourth Proportional to 18,082.32, 24,943.56 and 12,712.96

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Solution

The fourth proportional to 18,082.32, 24,943.56 and 12,712.96 is: 17,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.32 : 24,943.56 = 12,712.96 : x
  2. Step 2: Convert to fraction form
    18,082.32/24,943.56 = 12,712.96/x
  3. Step 3: Cross multiply
    18,082.32x = 24,943.56 × 12,712.96
  4. Step 4: Simplify right side
    18,082.32x = 317,106,480.54
  5. Step 5: Solve for x
    x = 317,106,480.54/18,082.32
  6. Step 6: Final answer
    x = 17,536.82

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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.