Home / 13,109.24-18,092.34-7,445.76

Finding the Fourth Proportional to 13,109.24, 18,092.34 and 7,445.76

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Solution

The fourth proportional to 13,109.24, 18,092.34 and 7,445.76 is: 10,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.24 : 18,092.34 = 7,445.76 : x
  2. Step 2: Convert to fraction form
    13,109.24/18,092.34 = 7,445.76/x
  3. Step 3: Cross multiply
    13,109.24x = 18,092.34 × 7,445.76
  4. Step 4: Simplify right side
    13,109.24x = 134,711,221.48
  5. Step 5: Solve for x
    x = 134,711,221.48/13,109.24
  6. Step 6: Final answer
    x = 10,276.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.