Home / 13,470.09-20,206.44-4,591.68

Finding the Fourth Proportional to 13,470.09, 20,206.44 and 4,591.68

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Solution

The fourth proportional to 13,470.09, 20,206.44 and 4,591.68 is: 6,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.09 : 20,206.44 = 4,591.68 : x
  2. Step 2: Convert to fraction form
    13,470.09/20,206.44 = 4,591.68/x
  3. Step 3: Cross multiply
    13,470.09x = 20,206.44 × 4,591.68
  4. Step 4: Simplify right side
    13,470.09x = 92,781,506.42
  5. Step 5: Solve for x
    x = 92,781,506.42/13,470.09
  6. Step 6: Final answer
    x = 6,887.96

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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.