Home / 13,867.20-20,769.84-10,725.84

Finding the Fourth Proportional to 13,867.20, 20,769.84 and 10,725.84

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Solution

The fourth proportional to 13,867.20, 20,769.84 and 10,725.84 is: 16,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.20 : 20,769.84 = 10,725.84 : x
  2. Step 2: Convert to fraction form
    13,867.20/20,769.84 = 10,725.84/x
  3. Step 3: Cross multiply
    13,867.20x = 20,769.84 × 10,725.84
  4. Step 4: Simplify right side
    13,867.20x = 222,773,980.67
  5. Step 5: Solve for x
    x = 222,773,980.67/13,867.20
  6. Step 6: Final answer
    x = 16,064.81

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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.