Home / 10,556.09-15,841.91-5,009.45

Finding the Fourth Proportional to 10,556.09, 15,841.91 and 5,009.45

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Solution

The fourth proportional to 10,556.09, 15,841.91 and 5,009.45 is: 7,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.09 : 15,841.91 = 5,009.45 : x
  2. Step 2: Convert to fraction form
    10,556.09/15,841.91 = 5,009.45/x
  3. Step 3: Cross multiply
    10,556.09x = 15,841.91 × 5,009.45
  4. Step 4: Simplify right side
    10,556.09x = 79,359,151.79
  5. Step 5: Solve for x
    x = 79,359,151.79/10,556.09
  6. Step 6: Final answer
    x = 7,517.86

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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.