Home / 20,242.60-30,364.25-7,763.33

Finding the Fourth Proportional to 20,242.60, 30,364.25 and 7,763.33

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Solution

The fourth proportional to 20,242.60, 30,364.25 and 7,763.33 is: 11,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.60 : 30,364.25 = 7,763.33 : x
  2. Step 2: Convert to fraction form
    20,242.60/30,364.25 = 7,763.33/x
  3. Step 3: Cross multiply
    20,242.60x = 30,364.25 × 7,763.33
  4. Step 4: Simplify right side
    20,242.60x = 235,727,730.05
  5. Step 5: Solve for x
    x = 235,727,730.05/20,242.60
  6. Step 6: Final answer
    x = 11,645.13

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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.