Home / 20,545.87-30,800.97-10,001.23

Finding the Fourth Proportional to 20,545.87, 30,800.97 and 10,001.23

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Solution

The fourth proportional to 20,545.87, 30,800.97 and 10,001.23 is: 14,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.87 : 30,800.97 = 10,001.23 : x
  2. Step 2: Convert to fraction form
    20,545.87/30,800.97 = 10,001.23/x
  3. Step 3: Cross multiply
    20,545.87x = 30,800.97 × 10,001.23
  4. Step 4: Simplify right side
    20,545.87x = 308,047,585.19
  5. Step 5: Solve for x
    x = 308,047,585.19/20,545.87
  6. Step 6: Final answer
    x = 14,993.16

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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.