Home / 11,447.29-17,085.11-10,699.95

Finding the Fourth Proportional to 11,447.29, 17,085.11 and 10,699.95

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Solution

The fourth proportional to 11,447.29, 17,085.11 and 10,699.95 is: 15,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.29 : 17,085.11 = 10,699.95 : x
  2. Step 2: Convert to fraction form
    11,447.29/17,085.11 = 10,699.95/x
  3. Step 3: Cross multiply
    11,447.29x = 17,085.11 × 10,699.95
  4. Step 4: Simplify right side
    11,447.29x = 182,809,822.74
  5. Step 5: Solve for x
    x = 182,809,822.74/11,447.29
  6. Step 6: Final answer
    x = 15,969.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.