Home / 15,545.55-23,309.78-10,620.75

Finding the Fourth Proportional to 15,545.55, 23,309.78 and 10,620.75

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Solution

The fourth proportional to 15,545.55, 23,309.78 and 10,620.75 is: 15,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.55 : 23,309.78 = 10,620.75 : x
  2. Step 2: Convert to fraction form
    15,545.55/23,309.78 = 10,620.75/x
  3. Step 3: Cross multiply
    15,545.55x = 23,309.78 × 10,620.75
  4. Step 4: Simplify right side
    15,545.55x = 247,567,292.83
  5. Step 5: Solve for x
    x = 247,567,292.83/15,545.55
  6. Step 6: Final answer
    x = 15,925.28

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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.