Home / 20,144.57-30,206.48-9,041.74

Finding the Fourth Proportional to 20,144.57, 30,206.48 and 9,041.74

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Solution

The fourth proportional to 20,144.57, 30,206.48 and 9,041.74 is: 13,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.57 : 30,206.48 = 9,041.74 : x
  2. Step 2: Convert to fraction form
    20,144.57/30,206.48 = 9,041.74/x
  3. Step 3: Cross multiply
    20,144.57x = 30,206.48 × 9,041.74
  4. Step 4: Simplify right side
    20,144.57x = 273,119,138.48
  5. Step 5: Solve for x
    x = 273,119,138.48/20,144.57
  6. Step 6: Final answer
    x = 13,557.95

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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.