Home / 20,154.96-30,233.12-9,626.18

Finding the Fourth Proportional to 20,154.96, 30,233.12 and 9,626.18

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Solution

The fourth proportional to 20,154.96, 30,233.12 and 9,626.18 is: 14,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.96 : 30,233.12 = 9,626.18 : x
  2. Step 2: Convert to fraction form
    20,154.96/30,233.12 = 9,626.18/x
  3. Step 3: Cross multiply
    20,154.96x = 30,233.12 × 9,626.18
  4. Step 4: Simplify right side
    20,154.96x = 291,029,255.79
  5. Step 5: Solve for x
    x = 291,029,255.79/20,154.96
  6. Step 6: Final answer
    x = 14,439.58

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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.