Home / 15,679.36-23,519.04-3,992.14

Finding the Fourth Proportional to 15,679.36, 23,519.04 and 3,992.14

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Solution

The fourth proportional to 15,679.36, 23,519.04 and 3,992.14 is: 5,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.36 : 23,519.04 = 3,992.14 : x
  2. Step 2: Convert to fraction form
    15,679.36/23,519.04 = 3,992.14/x
  3. Step 3: Cross multiply
    15,679.36x = 23,519.04 × 3,992.14
  4. Step 4: Simplify right side
    15,679.36x = 93,891,300.35
  5. Step 5: Solve for x
    x = 93,891,300.35/15,679.36
  6. Step 6: Final answer
    x = 5,988.21

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Half scale
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Double scale
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Similar ratio
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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.