Home / 15,707.80-23,556.71-5,175.86

Finding the Fourth Proportional to 15,707.80, 23,556.71 and 5,175.86

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Solution

The fourth proportional to 15,707.80, 23,556.71 and 5,175.86 is: 7,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.80 : 23,556.71 = 5,175.86 : x
  2. Step 2: Convert to fraction form
    15,707.80/23,556.71 = 5,175.86/x
  3. Step 3: Cross multiply
    15,707.80x = 23,556.71 × 5,175.86
  4. Step 4: Simplify right side
    15,707.80x = 121,926,278.34
  5. Step 5: Solve for x
    x = 121,926,278.34/15,707.80
  6. Step 6: Final answer
    x = 7,762.15

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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.