Home / 9,645.16-13,310.20-5,396.36

Finding the Fourth Proportional to 9,645.16, 13,310.20 and 5,396.36

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Solution

The fourth proportional to 9,645.16, 13,310.20 and 5,396.36 is: 7,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.16 : 13,310.20 = 5,396.36 : x
  2. Step 2: Convert to fraction form
    9,645.16/13,310.20 = 5,396.36/x
  3. Step 3: Cross multiply
    9,645.16x = 13,310.20 × 5,396.36
  4. Step 4: Simplify right side
    9,645.16x = 71,826,630.87
  5. Step 5: Solve for x
    x = 71,826,630.87/9,645.16
  6. Step 6: Final answer
    x = 7,446.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.