Home / 9,154.50-13,723.61-3,309.81

Finding the Fourth Proportional to 9,154.50, 13,723.61 and 3,309.81

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Solution

The fourth proportional to 9,154.50, 13,723.61 and 3,309.81 is: 4,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.50 : 13,723.61 = 3,309.81 : x
  2. Step 2: Convert to fraction form
    9,154.50/13,723.61 = 3,309.81/x
  3. Step 3: Cross multiply
    9,154.50x = 13,723.61 × 3,309.81
  4. Step 4: Simplify right side
    9,154.50x = 45,422,525.07
  5. Step 5: Solve for x
    x = 45,422,525.07/9,154.50
  6. Step 6: Final answer
    x = 4,961.77

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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.