Home / 20,387.93-30,594.87-9,295.71

Finding the Fourth Proportional to 20,387.93, 30,594.87 and 9,295.71

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Solution

The fourth proportional to 20,387.93, 30,594.87 and 9,295.71 is: 13,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387.93 : 30,594.87 = 9,295.71 : x
  2. Step 2: Convert to fraction form
    20,387.93/30,594.87 = 9,295.71/x
  3. Step 3: Cross multiply
    20,387.93x = 30,594.87 × 9,295.71
  4. Step 4: Simplify right side
    20,387.93x = 284,401,039.01
  5. Step 5: Solve for x
    x = 284,401,039.01/20,387.93
  6. Step 6: Final answer
    x = 13,949.48

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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.