Home / 12,545.72-18,818.67-10,202.99

Finding the Fourth Proportional to 12,545.72, 18,818.67 and 10,202.99

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Solution

The fourth proportional to 12,545.72, 18,818.67 and 10,202.99 is: 15,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.72 : 18,818.67 = 10,202.99 : x
  2. Step 2: Convert to fraction form
    12,545.72/18,818.67 = 10,202.99/x
  3. Step 3: Cross multiply
    12,545.72x = 18,818.67 × 10,202.99
  4. Step 4: Simplify right side
    12,545.72x = 192,006,701.82
  5. Step 5: Solve for x
    x = 192,006,701.82/12,545.72
  6. Step 6: Final answer
    x = 15,304.56

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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.