Home / 13,287.01-18,335.84-7,319.23

Finding the Fourth Proportional to 13,287.01, 18,335.84 and 7,319.23

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Solution

The fourth proportional to 13,287.01, 18,335.84 and 7,319.23 is: 10,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.01 : 18,335.84 = 7,319.23 : x
  2. Step 2: Convert to fraction form
    13,287.01/18,335.84 = 7,319.23/x
  3. Step 3: Cross multiply
    13,287.01x = 18,335.84 × 7,319.23
  4. Step 4: Simplify right side
    13,287.01x = 134,204,230.20
  5. Step 5: Solve for x
    x = 134,204,230.20/13,287.01
  6. Step 6: Final answer
    x = 10,100.41

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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.