Home / 20,955.55-31,433.33-6,164.47

Finding the Fourth Proportional to 20,955.55, 31,433.33 and 6,164.47

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Solution

The fourth proportional to 20,955.55, 31,433.33 and 6,164.47 is: 9,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955.55 : 31,433.33 = 6,164.47 : x
  2. Step 2: Convert to fraction form
    20,955.55/31,433.33 = 6,164.47/x
  3. Step 3: Cross multiply
    20,955.55x = 31,433.33 × 6,164.47
  4. Step 4: Simplify right side
    20,955.55x = 193,769,819.79
  5. Step 5: Solve for x
    x = 193,769,819.79/20,955.55
  6. Step 6: Final answer
    x = 9,246.71

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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.