Home / 8,820.04-13,211.53-7,159.75

Finding the Fourth Proportional to 8,820.04, 13,211.53 and 7,159.75

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Solution

The fourth proportional to 8,820.04, 13,211.53 and 7,159.75 is: 10,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.04 : 13,211.53 = 7,159.75 : x
  2. Step 2: Convert to fraction form
    8,820.04/13,211.53 = 7,159.75/x
  3. Step 3: Cross multiply
    8,820.04x = 13,211.53 × 7,159.75
  4. Step 4: Simplify right side
    8,820.04x = 94,591,251.92
  5. Step 5: Solve for x
    x = 94,591,251.92/8,820.04
  6. Step 6: Final answer
    x = 10,724.58

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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.