Home / 18,839.46-26,000.52-12,039.74

Finding the Fourth Proportional to 18,839.46, 26,000.52 and 12,039.74

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Solution

The fourth proportional to 18,839.46, 26,000.52 and 12,039.74 is: 16,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.46 : 26,000.52 = 12,039.74 : x
  2. Step 2: Convert to fraction form
    18,839.46/26,000.52 = 12,039.74/x
  3. Step 3: Cross multiply
    18,839.46x = 26,000.52 × 12,039.74
  4. Step 4: Simplify right side
    18,839.46x = 313,039,500.66
  5. Step 5: Solve for x
    x = 313,039,500.66/18,839.46
  6. Step 6: Final answer
    x = 16,616.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.