Home / 15,525.75-23,291.07-5,139.93

Finding the Fourth Proportional to 15,525.75, 23,291.07 and 5,139.93

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Solution

The fourth proportional to 15,525.75, 23,291.07 and 5,139.93 is: 7,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.75 : 23,291.07 = 5,139.93 : x
  2. Step 2: Convert to fraction form
    15,525.75/23,291.07 = 5,139.93/x
  3. Step 3: Cross multiply
    15,525.75x = 23,291.07 × 5,139.93
  4. Step 4: Simplify right side
    15,525.75x = 119,714,469.43
  5. Step 5: Solve for x
    x = 119,714,469.43/15,525.75
  6. Step 6: Final answer
    x = 7,710.70

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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.