Home / 9,217.04-13,758.70-8,531.84

Finding the Fourth Proportional to 9,217.04, 13,758.70 and 8,531.84

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Solution

The fourth proportional to 9,217.04, 13,758.70 and 8,531.84 is: 12,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.04 : 13,758.70 = 8,531.84 : x
  2. Step 2: Convert to fraction form
    9,217.04/13,758.70 = 8,531.84/x
  3. Step 3: Cross multiply
    9,217.04x = 13,758.70 × 8,531.84
  4. Step 4: Simplify right side
    9,217.04x = 117,387,027.01
  5. Step 5: Solve for x
    x = 117,387,027.01/9,217.04
  6. Step 6: Final answer
    x = 12,735.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.