Home / 22,605.66-31,192.92-12,534.03

Finding the Fourth Proportional to 22,605.66, 31,192.92 and 12,534.03

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Solution

The fourth proportional to 22,605.66, 31,192.92 and 12,534.03 is: 17,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.66 : 31,192.92 = 12,534.03 : x
  2. Step 2: Convert to fraction form
    22,605.66/31,192.92 = 12,534.03/x
  3. Step 3: Cross multiply
    22,605.66x = 31,192.92 × 12,534.03
  4. Step 4: Simplify right side
    22,605.66x = 390,972,995.07
  5. Step 5: Solve for x
    x = 390,972,995.07/22,605.66
  6. Step 6: Final answer
    x = 17,295.36

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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.