Home / 20,259.30-27,959.24-11,308.56

Finding the Fourth Proportional to 20,259.30, 27,959.24 and 11,308.56

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Solution

The fourth proportional to 20,259.30, 27,959.24 and 11,308.56 is: 15,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.30 : 27,959.24 = 11,308.56 : x
  2. Step 2: Convert to fraction form
    20,259.30/27,959.24 = 11,308.56/x
  3. Step 3: Cross multiply
    20,259.30x = 27,959.24 × 11,308.56
  4. Step 4: Simplify right side
    20,259.30x = 316,178,666.52
  5. Step 5: Solve for x
    x = 316,178,666.52/20,259.30
  6. Step 6: Final answer
    x = 15,606.59

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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.