Home / 11,587.60-17,381.40-3,797.20

Finding the Fourth Proportional to 11,587.60, 17,381.40 and 3,797.20

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Solution

The fourth proportional to 11,587.60, 17,381.40 and 3,797.20 is: 5,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.60 : 17,381.40 = 3,797.20 : x
  2. Step 2: Convert to fraction form
    11,587.60/17,381.40 = 3,797.20/x
  3. Step 3: Cross multiply
    11,587.60x = 17,381.40 × 3,797.20
  4. Step 4: Simplify right side
    11,587.60x = 66,000,652.08
  5. Step 5: Solve for x
    x = 66,000,652.08/11,587.60
  6. Step 6: Final answer
    x = 5,695.80

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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.