Home / 16,561.20-22,842.18-12,017.40

Finding the Fourth Proportional to 16,561.20, 22,842.18 and 12,017.40

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Solution

The fourth proportional to 16,561.20, 22,842.18 and 12,017.40 is: 16,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.20 : 22,842.18 = 12,017.40 : x
  2. Step 2: Convert to fraction form
    16,561.20/22,842.18 = 12,017.40/x
  3. Step 3: Cross multiply
    16,561.20x = 22,842.18 × 12,017.40
  4. Step 4: Simplify right side
    16,561.20x = 274,503,613.93
  5. Step 5: Solve for x
    x = 274,503,613.93/16,561.20
  6. Step 6: Final answer
    x = 16,575.10

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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.