Home / 26,123.04-39,191.19-12,093.15

Finding the Fourth Proportional to 26,123.04, 39,191.19 and 12,093.15

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Solution

The fourth proportional to 26,123.04, 39,191.19 and 12,093.15 is: 18,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.04 : 39,191.19 = 12,093.15 : x
  2. Step 2: Convert to fraction form
    26,123.04/39,191.19 = 12,093.15/x
  3. Step 3: Cross multiply
    26,123.04x = 39,191.19 × 12,093.15
  4. Step 4: Simplify right side
    26,123.04x = 473,944,939.35
  5. Step 5: Solve for x
    x = 473,944,939.35/26,123.04
  6. Step 6: Final answer
    x = 18,142.79

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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.