Home / 9,587.90-13,231.28-5,396.16

Finding the Fourth Proportional to 9,587.90, 13,231.28 and 5,396.16

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Solution

The fourth proportional to 9,587.90, 13,231.28 and 5,396.16 is: 7,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.90 : 13,231.28 = 5,396.16 : x
  2. Step 2: Convert to fraction form
    9,587.90/13,231.28 = 5,396.16/x
  3. Step 3: Cross multiply
    9,587.90x = 13,231.28 × 5,396.16
  4. Step 4: Simplify right side
    9,587.90x = 71,398,103.88
  5. Step 5: Solve for x
    x = 71,398,103.88/9,587.90
  6. Step 6: Final answer
    x = 7,446.69

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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.