Home / 13,394.37-18,442.14-11,373.53

Finding the Fourth Proportional to 13,394.37, 18,442.14 and 11,373.53

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Solution

The fourth proportional to 13,394.37, 18,442.14 and 11,373.53 is: 15,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.37 : 18,442.14 = 11,373.53 : x
  2. Step 2: Convert to fraction form
    13,394.37/18,442.14 = 11,373.53/x
  3. Step 3: Cross multiply
    13,394.37x = 18,442.14 × 11,373.53
  4. Step 4: Simplify right side
    13,394.37x = 209,752,232.55
  5. Step 5: Solve for x
    x = 209,752,232.55/13,394.37
  6. Step 6: Final answer
    x = 15,659.73

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1.5x scale

Why These Related Problems?

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