Home / 9,508.85-13,121.20-5,259.23

Finding the Fourth Proportional to 9,508.85, 13,121.20 and 5,259.23

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Solution

The fourth proportional to 9,508.85, 13,121.20 and 5,259.23 is: 7,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.85 : 13,121.20 = 5,259.23 : x
  2. Step 2: Convert to fraction form
    9,508.85/13,121.20 = 5,259.23/x
  3. Step 3: Cross multiply
    9,508.85x = 13,121.20 × 5,259.23
  4. Step 4: Simplify right side
    9,508.85x = 69,007,411.93
  5. Step 5: Solve for x
    x = 69,007,411.93/9,508.85
  6. Step 6: Final answer
    x = 7,257.18

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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.