Home / 13,744.47-20,619.15-4,386.54

Finding the Fourth Proportional to 13,744.47, 20,619.15 and 4,386.54

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Solution

The fourth proportional to 13,744.47, 20,619.15 and 4,386.54 is: 6,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.47 : 20,619.15 = 4,386.54 : x
  2. Step 2: Convert to fraction form
    13,744.47/20,619.15 = 4,386.54/x
  3. Step 3: Cross multiply
    13,744.47x = 20,619.15 × 4,386.54
  4. Step 4: Simplify right side
    13,744.47x = 90,446,726.24
  5. Step 5: Solve for x
    x = 90,446,726.24/13,744.47
  6. Step 6: Final answer
    x = 6,580.59

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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.