Home / 20,302.92-30,459.24-10,282.68

Finding the Fourth Proportional to 20,302.92, 30,459.24 and 10,282.68

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Solution

The fourth proportional to 20,302.92, 30,459.24 and 10,282.68 is: 15,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.92 : 30,459.24 = 10,282.68 : x
  2. Step 2: Convert to fraction form
    20,302.92/30,459.24 = 10,282.68/x
  3. Step 3: Cross multiply
    20,302.92x = 30,459.24 × 10,282.68
  4. Step 4: Simplify right side
    20,302.92x = 313,202,617.96
  5. Step 5: Solve for x
    x = 313,202,617.96/20,302.92
  6. Step 6: Final answer
    x = 15,426.48

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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.