Home / 26,119.52-39,188.92-12,086.40

Finding the Fourth Proportional to 26,119.52, 39,188.92 and 12,086.40

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Solution

The fourth proportional to 26,119.52, 39,188.92 and 12,086.40 is: 18,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.52 : 39,188.92 = 12,086.40 : x
  2. Step 2: Convert to fraction form
    26,119.52/39,188.92 = 12,086.40/x
  3. Step 3: Cross multiply
    26,119.52x = 39,188.92 × 12,086.40
  4. Step 4: Simplify right side
    26,119.52x = 473,652,962.69
  5. Step 5: Solve for x
    x = 473,652,962.69/26,119.52
  6. Step 6: Final answer
    x = 18,134.06

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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.