Home / 15,587.88-23,383.04-5,199.62

Finding the Fourth Proportional to 15,587.88, 23,383.04 and 5,199.62

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Solution

The fourth proportional to 15,587.88, 23,383.04 and 5,199.62 is: 7,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.88 : 23,383.04 = 5,199.62 : x
  2. Step 2: Convert to fraction form
    15,587.88/23,383.04 = 5,199.62/x
  3. Step 3: Cross multiply
    15,587.88x = 23,383.04 × 5,199.62
  4. Step 4: Simplify right side
    15,587.88x = 121,582,922.44
  5. Step 5: Solve for x
    x = 121,582,922.44/15,587.88
  6. Step 6: Final answer
    x = 7,799.84

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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.