Home / 10,451.40-15,677.16-2,660.22

Finding the Fourth Proportional to 10,451.40, 15,677.16 and 2,660.22

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Solution

The fourth proportional to 10,451.40, 15,677.16 and 2,660.22 is: 3,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.40 : 15,677.16 = 2,660.22 : x
  2. Step 2: Convert to fraction form
    10,451.40/15,677.16 = 2,660.22/x
  3. Step 3: Cross multiply
    10,451.40x = 15,677.16 × 2,660.22
  4. Step 4: Simplify right side
    10,451.40x = 41,704,694.58
  5. Step 5: Solve for x
    x = 41,704,694.58/10,451.40
  6. Step 6: Final answer
    x = 3,990.35

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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.