Home / 9,166.38-12,648.84-5,186.58

Finding the Fourth Proportional to 9,166.38, 12,648.84 and 5,186.58

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Solution

The fourth proportional to 9,166.38, 12,648.84 and 5,186.58 is: 7,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.38 : 12,648.84 = 5,186.58 : x
  2. Step 2: Convert to fraction form
    9,166.38/12,648.84 = 5,186.58/x
  3. Step 3: Cross multiply
    9,166.38x = 12,648.84 × 5,186.58
  4. Step 4: Simplify right side
    9,166.38x = 65,604,220.57
  5. Step 5: Solve for x
    x = 65,604,220.57/9,166.38
  6. Step 6: Final answer
    x = 7,157.05

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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.