Home / 13,049.79-19,531.35-11,882.48

Finding the Fourth Proportional to 13,049.79, 19,531.35 and 11,882.48

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Solution

The fourth proportional to 13,049.79, 19,531.35 and 11,882.48 is: 17,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.79 : 19,531.35 = 11,882.48 : x
  2. Step 2: Convert to fraction form
    13,049.79/19,531.35 = 11,882.48/x
  3. Step 3: Cross multiply
    13,049.79x = 19,531.35 × 11,882.48
  4. Step 4: Simplify right side
    13,049.79x = 232,080,718.68
  5. Step 5: Solve for x
    x = 232,080,718.68/13,049.79
  6. Step 6: Final answer
    x = 17,784.26

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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.