Home / 9,154.26-13,731.24-3,309.45

Finding the Fourth Proportional to 9,154.26, 13,731.24 and 3,309.45

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Solution

The fourth proportional to 9,154.26, 13,731.24 and 3,309.45 is: 4,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.26 : 13,731.24 = 3,309.45 : x
  2. Step 2: Convert to fraction form
    9,154.26/13,731.24 = 3,309.45/x
  3. Step 3: Cross multiply
    9,154.26x = 13,731.24 × 3,309.45
  4. Step 4: Simplify right side
    9,154.26x = 45,442,852.22
  5. Step 5: Solve for x
    x = 45,442,852.22/9,154.26
  6. Step 6: Final answer
    x = 4,964.12

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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.