Home / 10,013.90-15,004.35-3,436.47

Finding the Fourth Proportional to 10,013.90, 15,004.35 and 3,436.47

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Solution

The fourth proportional to 10,013.90, 15,004.35 and 3,436.47 is: 5,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.90 : 15,004.35 = 3,436.47 : x
  2. Step 2: Convert to fraction form
    10,013.90/15,004.35 = 3,436.47/x
  3. Step 3: Cross multiply
    10,013.90x = 15,004.35 × 3,436.47
  4. Step 4: Simplify right side
    10,013.90x = 51,561,998.64
  5. Step 5: Solve for x
    x = 51,561,998.64/10,013.90
  6. Step 6: Final answer
    x = 5,149.05

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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.