Home / 9,612.51-14,419.61-2,687.03

Finding the Fourth Proportional to 9,612.51, 14,419.61 and 2,687.03

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Solution

The fourth proportional to 9,612.51, 14,419.61 and 2,687.03 is: 4,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.51 : 14,419.61 = 2,687.03 : x
  2. Step 2: Convert to fraction form
    9,612.51/14,419.61 = 2,687.03/x
  3. Step 3: Cross multiply
    9,612.51x = 14,419.61 × 2,687.03
  4. Step 4: Simplify right side
    9,612.51x = 38,745,911.22
  5. Step 5: Solve for x
    x = 38,745,911.22/9,612.51
  6. Step 6: Final answer
    x = 4,030.78

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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.