Home / 15,979.32-23,940.86-14,239.80

Finding the Fourth Proportional to 15,979.32, 23,940.86 and 14,239.80

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Solution

The fourth proportional to 15,979.32, 23,940.86 and 14,239.80 is: 21,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.32 : 23,940.86 = 14,239.80 : x
  2. Step 2: Convert to fraction form
    15,979.32/23,940.86 = 14,239.80/x
  3. Step 3: Cross multiply
    15,979.32x = 23,940.86 × 14,239.80
  4. Step 4: Simplify right side
    15,979.32x = 340,912,987.03
  5. Step 5: Solve for x
    x = 340,912,987.03/15,979.32
  6. Step 6: Final answer
    x = 21,334.64

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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.