Home / 9,508.80-13,120.98-5,259.27

Finding the Fourth Proportional to 9,508.80, 13,120.98 and 5,259.27

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Solution

The fourth proportional to 9,508.80, 13,120.98 and 5,259.27 is: 7,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.80 : 13,120.98 = 5,259.27 : x
  2. Step 2: Convert to fraction form
    9,508.80/13,120.98 = 5,259.27/x
  3. Step 3: Cross multiply
    9,508.80x = 13,120.98 × 5,259.27
  4. Step 4: Simplify right side
    9,508.80x = 69,006,776.48
  5. Step 5: Solve for x
    x = 69,006,776.48/9,508.80
  6. Step 6: Final answer
    x = 7,257.15

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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.