Home / 16,769.72-25,150.08-7,987.16

Finding the Fourth Proportional to 16,769.72, 25,150.08 and 7,987.16

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Solution

The fourth proportional to 16,769.72, 25,150.08 and 7,987.16 is: 11,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.72 : 25,150.08 = 7,987.16 : x
  2. Step 2: Convert to fraction form
    16,769.72/25,150.08 = 7,987.16/x
  3. Step 3: Cross multiply
    16,769.72x = 25,150.08 × 7,987.16
  4. Step 4: Simplify right side
    16,769.72x = 200,877,712.97
  5. Step 5: Solve for x
    x = 200,877,712.97/16,769.72
  6. Step 6: Final answer
    x = 11,978.60

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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.