Home / 11,358.30-17,043.03-5,122.62

Finding the Fourth Proportional to 11,358.30, 17,043.03 and 5,122.62

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Solution

The fourth proportional to 11,358.30, 17,043.03 and 5,122.62 is: 7,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.30 : 17,043.03 = 5,122.62 : x
  2. Step 2: Convert to fraction form
    11,358.30/17,043.03 = 5,122.62/x
  3. Step 3: Cross multiply
    11,358.30x = 17,043.03 × 5,122.62
  4. Step 4: Simplify right side
    11,358.30x = 87,304,966.34
  5. Step 5: Solve for x
    x = 87,304,966.34/11,358.30
  6. Step 6: Final answer
    x = 7,686.45

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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.