Home / 12,896.25-19,343.29-9,132.48

Finding the Fourth Proportional to 12,896.25, 19,343.29 and 9,132.48

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Solution

The fourth proportional to 12,896.25, 19,343.29 and 9,132.48 is: 13,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.25 : 19,343.29 = 9,132.48 : x
  2. Step 2: Convert to fraction form
    12,896.25/19,343.29 = 9,132.48/x
  3. Step 3: Cross multiply
    12,896.25x = 19,343.29 × 9,132.48
  4. Step 4: Simplify right side
    12,896.25x = 176,652,209.06
  5. Step 5: Solve for x
    x = 176,652,209.06/12,896.25
  6. Step 6: Final answer
    x = 13,697.95

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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.