Home / 20,259.04-27,958.88-11,308.29

Finding the Fourth Proportional to 20,259.04, 27,958.88 and 11,308.29

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Solution

The fourth proportional to 20,259.04, 27,958.88 and 11,308.29 is: 15,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.04 : 27,958.88 = 11,308.29 : x
  2. Step 2: Convert to fraction form
    20,259.04/27,958.88 = 11,308.29/x
  3. Step 3: Cross multiply
    20,259.04x = 27,958.88 × 11,308.29
  4. Step 4: Simplify right side
    20,259.04x = 316,167,123.12
  5. Step 5: Solve for x
    x = 316,167,123.12/20,259.04
  6. Step 6: Final answer
    x = 15,606.22

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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.