Home / 13,577.52-20,353.76-9,419.50

Finding the Fourth Proportional to 13,577.52, 20,353.76 and 9,419.50

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Solution

The fourth proportional to 13,577.52, 20,353.76 and 9,419.50 is: 14,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.52 : 20,353.76 = 9,419.50 : x
  2. Step 2: Convert to fraction form
    13,577.52/20,353.76 = 9,419.50/x
  3. Step 3: Cross multiply
    13,577.52x = 20,353.76 × 9,419.50
  4. Step 4: Simplify right side
    13,577.52x = 191,722,242.32
  5. Step 5: Solve for x
    x = 191,722,242.32/13,577.52
  6. Step 6: Final answer
    x = 14,120.56

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1.5x scale

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.