Home / 13,470.96-20,209.65-4,236.96

Finding the Fourth Proportional to 13,470.96, 20,209.65 and 4,236.96

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Solution

The fourth proportional to 13,470.96, 20,209.65 and 4,236.96 is: 6,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.96 : 20,209.65 = 4,236.96 : x
  2. Step 2: Convert to fraction form
    13,470.96/20,209.65 = 4,236.96/x
  3. Step 3: Cross multiply
    13,470.96x = 20,209.65 × 4,236.96
  4. Step 4: Simplify right side
    13,470.96x = 85,627,478.66
  5. Step 5: Solve for x
    x = 85,627,478.66/13,470.96
  6. Step 6: Final answer
    x = 6,356.45

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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.