Home / 13,031.20-19,545.55-3,671.07

Finding the Fourth Proportional to 13,031.20, 19,545.55 and 3,671.07

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Solution

The fourth proportional to 13,031.20, 19,545.55 and 3,671.07 is: 5,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.20 : 19,545.55 = 3,671.07 : x
  2. Step 2: Convert to fraction form
    13,031.20/19,545.55 = 3,671.07/x
  3. Step 3: Cross multiply
    13,031.20x = 19,545.55 × 3,671.07
  4. Step 4: Simplify right side
    13,031.20x = 71,753,082.24
  5. Step 5: Solve for x
    x = 71,753,082.24/13,031.20
  6. Step 6: Final answer
    x = 5,506.25

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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.