Home / 20,259.43-27,959.42-11,308.68

Finding the Fourth Proportional to 20,259.43, 27,959.42 and 11,308.68

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Solution

The fourth proportional to 20,259.43, 27,959.42 and 11,308.68 is: 15,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.43 : 27,959.42 = 11,308.68 : x
  2. Step 2: Convert to fraction form
    20,259.43/27,959.42 = 11,308.68/x
  3. Step 3: Cross multiply
    20,259.43x = 27,959.42 × 11,308.68
  4. Step 4: Simplify right side
    20,259.43x = 316,184,133.77
  5. Step 5: Solve for x
    x = 316,184,133.77/20,259.43
  6. Step 6: Final answer
    x = 15,606.76

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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.