Home / 15,344.82-21,186.36-11,753.46

Finding the Fourth Proportional to 15,344.82, 21,186.36 and 11,753.46

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Solution

The fourth proportional to 15,344.82, 21,186.36 and 11,753.46 is: 16,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.82 : 21,186.36 = 11,753.46 : x
  2. Step 2: Convert to fraction form
    15,344.82/21,186.36 = 11,753.46/x
  3. Step 3: Cross multiply
    15,344.82x = 21,186.36 × 11,753.46
  4. Step 4: Simplify right side
    15,344.82x = 249,013,034.81
  5. Step 5: Solve for x
    x = 249,013,034.81/15,344.82
  6. Step 6: Final answer
    x = 16,227.82

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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.