Home / 16,839.96-25,227.04-12,389.52

Finding the Fourth Proportional to 16,839.96, 25,227.04 and 12,389.52

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Solution

The fourth proportional to 16,839.96, 25,227.04 and 12,389.52 is: 18,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.96 : 25,227.04 = 12,389.52 : x
  2. Step 2: Convert to fraction form
    16,839.96/25,227.04 = 12,389.52/x
  3. Step 3: Cross multiply
    16,839.96x = 25,227.04 × 12,389.52
  4. Step 4: Simplify right side
    16,839.96x = 312,550,916.62
  5. Step 5: Solve for x
    x = 312,550,916.62/16,839.96
  6. Step 6: Final answer
    x = 18,560.07

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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.