Home / 18,017.29-24,856.70-12,039.49

Finding the Fourth Proportional to 18,017.29, 24,856.70 and 12,039.49

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Solution

The fourth proportional to 18,017.29, 24,856.70 and 12,039.49 is: 16,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.29 : 24,856.70 = 12,039.49 : x
  2. Step 2: Convert to fraction form
    18,017.29/24,856.70 = 12,039.49/x
  3. Step 3: Cross multiply
    18,017.29x = 24,856.70 × 12,039.49
  4. Step 4: Simplify right side
    18,017.29x = 299,261,806.60
  5. Step 5: Solve for x
    x = 299,261,806.60/18,017.29
  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.