Home / 12,368.57-18,545.92-5,344.20

Finding the Fourth Proportional to 12,368.57, 18,545.92 and 5,344.20

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Solution

The fourth proportional to 12,368.57, 18,545.92 and 5,344.20 is: 8,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.57 : 18,545.92 = 5,344.20 : x
  2. Step 2: Convert to fraction form
    12,368.57/18,545.92 = 5,344.20/x
  3. Step 3: Cross multiply
    12,368.57x = 18,545.92 × 5,344.20
  4. Step 4: Simplify right side
    12,368.57x = 99,113,105.66
  5. Step 5: Solve for x
    x = 99,113,105.66/12,368.57
  6. Step 6: Final answer
    x = 8,013.30

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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.