Home / 18,017.28-24,856.70-12,039.48

Finding the Fourth Proportional to 18,017.28, 24,856.70 and 12,039.48

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Solution

The fourth proportional to 18,017.28, 24,856.70 and 12,039.48 is: 16,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.28 : 24,856.70 = 12,039.48 : x
  2. Step 2: Convert to fraction form
    18,017.28/24,856.70 = 12,039.48/x
  3. Step 3: Cross multiply
    18,017.28x = 24,856.70 × 12,039.48
  4. Step 4: Simplify right side
    18,017.28x = 299,261,742.52
  5. Step 5: Solve for x
    x = 299,261,742.52/18,017.28
  6. Step 6: Final answer
    x = 16,609.71

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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.