Home / 8,805.16-13,224.20-7,751.35

Finding the Fourth Proportional to 8,805.16, 13,224.20 and 7,751.35

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Solution

The fourth proportional to 8,805.16, 13,224.20 and 7,751.35 is: 11,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.16 : 13,224.20 = 7,751.35 : x
  2. Step 2: Convert to fraction form
    8,805.16/13,224.20 = 7,751.35/x
  3. Step 3: Cross multiply
    8,805.16x = 13,224.20 × 7,751.35
  4. Step 4: Simplify right side
    8,805.16x = 102,505,402.67
  5. Step 5: Solve for x
    x = 102,505,402.67/8,805.16
  6. Step 6: Final answer
    x = 11,641.52

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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.