Home / 20,259.24-27,959.16-11,308.49

Finding the Fourth Proportional to 20,259.24, 27,959.16 and 11,308.49

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Solution

The fourth proportional to 20,259.24, 27,959.16 and 11,308.49 is: 15,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.24 : 27,959.16 = 11,308.49 : x
  2. Step 2: Convert to fraction form
    20,259.24/27,959.16 = 11,308.49/x
  3. Step 3: Cross multiply
    20,259.24x = 27,959.16 × 11,308.49
  4. Step 4: Simplify right side
    20,259.24x = 316,175,824.73
  5. Step 5: Solve for x
    x = 316,175,824.73/20,259.24
  6. Step 6: Final answer
    x = 15,606.50

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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.