Home / 11,117.73-15,335.19-6,637.98

Finding the Fourth Proportional to 11,117.73, 15,335.19 and 6,637.98

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Solution

The fourth proportional to 11,117.73, 15,335.19 and 6,637.98 is: 9,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.73 : 15,335.19 = 6,637.98 : x
  2. Step 2: Convert to fraction form
    11,117.73/15,335.19 = 6,637.98/x
  3. Step 3: Cross multiply
    11,117.73x = 15,335.19 × 6,637.98
  4. Step 4: Simplify right side
    11,117.73x = 101,794,684.52
  5. Step 5: Solve for x
    x = 101,794,684.52/11,117.73
  6. Step 6: Final answer
    x = 9,156.07

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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.