Home / 12,632.54-17,422.62-11,116.82

Finding the Fourth Proportional to 12,632.54, 17,422.62 and 11,116.82

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Solution

The fourth proportional to 12,632.54, 17,422.62 and 11,116.82 is: 15,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.54 : 17,422.62 = 11,116.82 : x
  2. Step 2: Convert to fraction form
    12,632.54/17,422.62 = 11,116.82/x
  3. Step 3: Cross multiply
    12,632.54x = 17,422.62 × 11,116.82
  4. Step 4: Simplify right side
    12,632.54x = 193,684,130.47
  5. Step 5: Solve for x
    x = 193,684,130.47/12,632.54
  6. Step 6: Final answer
    x = 15,332.17

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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.