Home / 26,086.60-39,129.84-9,446.56

Finding the Fourth Proportional to 26,086.60, 39,129.84 and 9,446.56

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Solution

The fourth proportional to 26,086.60, 39,129.84 and 9,446.56 is: 14,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.60 : 39,129.84 = 9,446.56 : x
  2. Step 2: Convert to fraction form
    26,086.60/39,129.84 = 9,446.56/x
  3. Step 3: Cross multiply
    26,086.60x = 39,129.84 × 9,446.56
  4. Step 4: Simplify right side
    26,086.60x = 369,642,381.35
  5. Step 5: Solve for x
    x = 369,642,381.35/26,086.60
  6. Step 6: Final answer
    x = 14,169.82

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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.