Home / 11,896.12-17,851.47-9,439.39

Finding the Fourth Proportional to 11,896.12, 17,851.47 and 9,439.39

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Solution

The fourth proportional to 11,896.12, 17,851.47 and 9,439.39 is: 14,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.12 : 17,851.47 = 9,439.39 : x
  2. Step 2: Convert to fraction form
    11,896.12/17,851.47 = 9,439.39/x
  3. Step 3: Cross multiply
    11,896.12x = 17,851.47 × 9,439.39
  4. Step 4: Simplify right side
    11,896.12x = 168,506,987.40
  5. Step 5: Solve for x
    x = 168,506,987.40/11,896.12
  6. Step 6: Final answer
    x = 14,164.87

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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.