Home / 13,296.44-18,346.56-7,989.32

Finding the Fourth Proportional to 13,296.44, 18,346.56 and 7,989.32

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Solution

The fourth proportional to 13,296.44, 18,346.56 and 7,989.32 is: 11,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.44 : 18,346.56 = 7,989.32 : x
  2. Step 2: Convert to fraction form
    13,296.44/18,346.56 = 7,989.32/x
  3. Step 3: Cross multiply
    13,296.44x = 18,346.56 × 7,989.32
  4. Step 4: Simplify right side
    13,296.44x = 146,576,538.74
  5. Step 5: Solve for x
    x = 146,576,538.74/13,296.44
  6. Step 6: Final answer
    x = 11,023.74

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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.