Home / 9,987.68-14,977.63-3,744.29

Finding the Fourth Proportional to 9,987.68, 14,977.63 and 3,744.29

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Solution

The fourth proportional to 9,987.68, 14,977.63 and 3,744.29 is: 5,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.68 : 14,977.63 = 3,744.29 : x
  2. Step 2: Convert to fraction form
    9,987.68/14,977.63 = 3,744.29/x
  3. Step 3: Cross multiply
    9,987.68x = 14,977.63 × 3,744.29
  4. Step 4: Simplify right side
    9,987.68x = 56,080,496.62
  5. Step 5: Solve for x
    x = 56,080,496.62/9,987.68
  6. Step 6: Final answer
    x = 5,614.97

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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.