Home / 9,914.25-14,871.78-2,988.75

Finding the Fourth Proportional to 9,914.25, 14,871.78 and 2,988.75

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Solution

The fourth proportional to 9,914.25, 14,871.78 and 2,988.75 is: 4,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.25 : 14,871.78 = 2,988.75 : x
  2. Step 2: Convert to fraction form
    9,914.25/14,871.78 = 2,988.75/x
  3. Step 3: Cross multiply
    9,914.25x = 14,871.78 × 2,988.75
  4. Step 4: Simplify right side
    9,914.25x = 44,448,032.48
  5. Step 5: Solve for x
    x = 44,448,032.48/9,914.25
  6. Step 6: Final answer
    x = 4,483.25

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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.