Home / 15,989.32-23,987.62-4,896.88

Finding the Fourth Proportional to 15,989.32, 23,987.62 and 4,896.88

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Solution

The fourth proportional to 15,989.32, 23,987.62 and 4,896.88 is: 7,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.32 : 23,987.62 = 4,896.88 : x
  2. Step 2: Convert to fraction form
    15,989.32/23,987.62 = 4,896.88/x
  3. Step 3: Cross multiply
    15,989.32x = 23,987.62 × 4,896.88
  4. Step 4: Simplify right side
    15,989.32x = 117,464,496.63
  5. Step 5: Solve for x
    x = 117,464,496.63/15,989.32
  6. Step 6: Final answer
    x = 7,346.43

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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.