Home / 12,923.38-17,829.58-7,331.14

Finding the Fourth Proportional to 12,923.38, 17,829.58 and 7,331.14

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Solution

The fourth proportional to 12,923.38, 17,829.58 and 7,331.14 is: 10,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.38 : 17,829.58 = 7,331.14 : x
  2. Step 2: Convert to fraction form
    12,923.38/17,829.58 = 7,331.14/x
  3. Step 3: Cross multiply
    12,923.38x = 17,829.58 × 7,331.14
  4. Step 4: Simplify right side
    12,923.38x = 130,711,147.12
  5. Step 5: Solve for x
    x = 130,711,147.12/12,923.38
  6. Step 6: Final answer
    x = 10,114.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.