Home / 9,987.81-14,983.92-2,968.38

Finding the Fourth Proportional to 9,987.81, 14,983.92 and 2,968.38

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Solution

The fourth proportional to 9,987.81, 14,983.92 and 2,968.38 is: 4,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.81 : 14,983.92 = 2,968.38 : x
  2. Step 2: Convert to fraction form
    9,987.81/14,983.92 = 2,968.38/x
  3. Step 3: Cross multiply
    9,987.81x = 14,983.92 × 2,968.38
  4. Step 4: Simplify right side
    9,987.81x = 44,477,968.45
  5. Step 5: Solve for x
    x = 44,477,968.45/9,987.81
  6. Step 6: Final answer
    x = 4,453.23

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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.