Home / 9,249.60-13,867.50-3,405.12

Finding the Fourth Proportional to 9,249.60, 13,867.50 and 3,405.12

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Solution

The fourth proportional to 9,249.60, 13,867.50 and 3,405.12 is: 5,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.60 : 13,867.50 = 3,405.12 : x
  2. Step 2: Convert to fraction form
    9,249.60/13,867.50 = 3,405.12/x
  3. Step 3: Cross multiply
    9,249.60x = 13,867.50 × 3,405.12
  4. Step 4: Simplify right side
    9,249.60x = 47,220,501.60
  5. Step 5: Solve for x
    x = 47,220,501.60/9,249.60
  6. Step 6: Final answer
    x = 5,105.14

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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.