Home / 13,335.52-18,382.80-8,851.36

Finding the Fourth Proportional to 13,335.52, 18,382.80 and 8,851.36

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Solution

The fourth proportional to 13,335.52, 18,382.80 and 8,851.36 is: 12,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.52 : 18,382.80 = 8,851.36 : x
  2. Step 2: Convert to fraction form
    13,335.52/18,382.80 = 8,851.36/x
  3. Step 3: Cross multiply
    13,335.52x = 18,382.80 × 8,851.36
  4. Step 4: Simplify right side
    13,335.52x = 162,712,780.61
  5. Step 5: Solve for x
    x = 162,712,780.61/13,335.52
  6. Step 6: Final answer
    x = 12,201.46

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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.