Home / 17,646.20-26,426.10-8,401.40

Finding the Fourth Proportional to 17,646.20, 26,426.10 and 8,401.40

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Solution

The fourth proportional to 17,646.20, 26,426.10 and 8,401.40 is: 12,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,646.20 : 26,426.10 = 8,401.40 : x
  2. Step 2: Convert to fraction form
    17,646.20/26,426.10 = 8,401.40/x
  3. Step 3: Cross multiply
    17,646.20x = 26,426.10 × 8,401.40
  4. Step 4: Simplify right side
    17,646.20x = 222,016,236.54
  5. Step 5: Solve for x
    x = 222,016,236.54/17,646.20
  6. Step 6: Final answer
    x = 12,581.53

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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.