Home / 9,987.56-14,979.48-3,324.16

Finding the Fourth Proportional to 9,987.56, 14,979.48 and 3,324.16

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Solution

The fourth proportional to 9,987.56, 14,979.48 and 3,324.16 is: 4,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.56 : 14,979.48 = 3,324.16 : x
  2. Step 2: Convert to fraction form
    9,987.56/14,979.48 = 3,324.16/x
  3. Step 3: Cross multiply
    9,987.56x = 14,979.48 × 3,324.16
  4. Step 4: Simplify right side
    9,987.56x = 49,794,188.24
  5. Step 5: Solve for x
    x = 49,794,188.24/9,987.56
  6. Step 6: Final answer
    x = 4,985.62

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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.