Home / 19,042.92-28,591.28-12,000.11

Finding the Fourth Proportional to 19,042.92, 28,591.28 and 12,000.11

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Solution

The fourth proportional to 19,042.92, 28,591.28 and 12,000.11 is: 18,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.92 : 28,591.28 = 12,000.11 : x
  2. Step 2: Convert to fraction form
    19,042.92/28,591.28 = 12,000.11/x
  3. Step 3: Cross multiply
    19,042.92x = 28,591.28 × 12,000.11
  4. Step 4: Simplify right side
    19,042.92x = 343,098,302.08
  5. Step 5: Solve for x
    x = 343,098,302.08/19,042.92
  6. Step 6: Final answer
    x = 18,017.11

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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.