Home / 11,537.13-15,932.93-9,940.53

Finding the Fourth Proportional to 11,537.13, 15,932.93 and 9,940.53

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Solution

The fourth proportional to 11,537.13, 15,932.93 and 9,940.53 is: 13,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.13 : 15,932.93 = 9,940.53 : x
  2. Step 2: Convert to fraction form
    11,537.13/15,932.93 = 9,940.53/x
  3. Step 3: Cross multiply
    11,537.13x = 15,932.93 × 9,940.53
  4. Step 4: Simplify right side
    11,537.13x = 158,381,718.95
  5. Step 5: Solve for x
    x = 158,381,718.95/11,537.13
  6. Step 6: Final answer
    x = 13,728.00

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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.