Home / 15,545.80-23,310.15-10,621

Finding the Fourth Proportional to 15,545.80, 23,310.15 and 10,621

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Solution

The fourth proportional to 15,545.80, 23,310.15 and 10,621 is: 15,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.80 : 23,310.15 = 10,621 : x
  2. Step 2: Convert to fraction form
    15,545.80/23,310.15 = 10,621/x
  3. Step 3: Cross multiply
    15,545.80x = 23,310.15 × 10,621
  4. Step 4: Simplify right side
    15,545.80x = 247,577,103.15
  5. Step 5: Solve for x
    x = 247,577,103.15/15,545.80
  6. Step 6: Final answer
    x = 15,925.66

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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.