Home / 13,444.24-20,168.52-5,655.28

Finding the Fourth Proportional to 13,444.24, 20,168.52 and 5,655.28

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Solution

The fourth proportional to 13,444.24, 20,168.52 and 5,655.28 is: 8,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.24 : 20,168.52 = 5,655.28 : x
  2. Step 2: Convert to fraction form
    13,444.24/20,168.52 = 5,655.28/x
  3. Step 3: Cross multiply
    13,444.24x = 20,168.52 × 5,655.28
  4. Step 4: Simplify right side
    13,444.24x = 114,058,627.79
  5. Step 5: Solve for x
    x = 114,058,627.79/13,444.24
  6. Step 6: Final answer
    x = 8,483.83

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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.