Home / 11,943.12-17,862.28-10,636.09

Finding the Fourth Proportional to 11,943.12, 17,862.28 and 10,636.09

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Solution

The fourth proportional to 11,943.12, 17,862.28 and 10,636.09 is: 15,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.12 : 17,862.28 = 10,636.09 : x
  2. Step 2: Convert to fraction form
    11,943.12/17,862.28 = 10,636.09/x
  3. Step 3: Cross multiply
    11,943.12x = 17,862.28 × 10,636.09
  4. Step 4: Simplify right side
    11,943.12x = 189,984,817.69
  5. Step 5: Solve for x
    x = 189,984,817.69/11,943.12
  6. Step 6: Final answer
    x = 15,907.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.