Home / 15,429.03-23,147.15-5,040.75

Finding the Fourth Proportional to 15,429.03, 23,147.15 and 5,040.75

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Solution

The fourth proportional to 15,429.03, 23,147.15 and 5,040.75 is: 7,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.03 : 23,147.15 = 5,040.75 : x
  2. Step 2: Convert to fraction form
    15,429.03/23,147.15 = 5,040.75/x
  3. Step 3: Cross multiply
    15,429.03x = 23,147.15 × 5,040.75
  4. Step 4: Simplify right side
    15,429.03x = 116,678,971.16
  5. Step 5: Solve for x
    x = 116,678,971.16/15,429.03
  6. Step 6: Final answer
    x = 7,562.30

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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.