Home / 19,867.32-29,806.02-9,335.28

Finding the Fourth Proportional to 19,867.32, 29,806.02 and 9,335.28

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Solution

The fourth proportional to 19,867.32, 29,806.02 and 9,335.28 is: 14,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.32 : 29,806.02 = 9,335.28 : x
  2. Step 2: Convert to fraction form
    19,867.32/29,806.02 = 9,335.28/x
  3. Step 3: Cross multiply
    19,867.32x = 29,806.02 × 9,335.28
  4. Step 4: Simplify right side
    19,867.32x = 278,247,542.39
  5. Step 5: Solve for x
    x = 278,247,542.39/19,867.32
  6. Step 6: Final answer
    x = 14,005.29

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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.