Home / 20,230.04-30,358.02-9,836.12

Finding the Fourth Proportional to 20,230.04, 30,358.02 and 9,836.12

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Solution

The fourth proportional to 20,230.04, 30,358.02 and 9,836.12 is: 14,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.04 : 30,358.02 = 9,836.12 : x
  2. Step 2: Convert to fraction form
    20,230.04/30,358.02 = 9,836.12/x
  3. Step 3: Cross multiply
    20,230.04x = 30,358.02 × 9,836.12
  4. Step 4: Simplify right side
    20,230.04x = 298,605,127.68
  5. Step 5: Solve for x
    x = 298,605,127.68/20,230.04
  6. Step 6: Final answer
    x = 14,760.48

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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.