Home / 18,966.32-26,170.92-10,581.20

Finding the Fourth Proportional to 18,966.32, 26,170.92 and 10,581.20

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Solution

The fourth proportional to 18,966.32, 26,170.92 and 10,581.20 is: 14,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.32 : 26,170.92 = 10,581.20 : x
  2. Step 2: Convert to fraction form
    18,966.32/26,170.92 = 10,581.20/x
  3. Step 3: Cross multiply
    18,966.32x = 26,170.92 × 10,581.20
  4. Step 4: Simplify right side
    18,966.32x = 276,919,738.70
  5. Step 5: Solve for x
    x = 276,919,738.70/18,966.32
  6. Step 6: Final answer
    x = 14,600.60

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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.