Home / 9,988.75-14,983.40-3,063.25

Finding the Fourth Proportional to 9,988.75, 14,983.40 and 3,063.25

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Solution

The fourth proportional to 9,988.75, 14,983.40 and 3,063.25 is: 4,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.75 : 14,983.40 = 3,063.25 : x
  2. Step 2: Convert to fraction form
    9,988.75/14,983.40 = 3,063.25/x
  3. Step 3: Cross multiply
    9,988.75x = 14,983.40 × 3,063.25
  4. Step 4: Simplify right side
    9,988.75x = 45,897,900.05
  5. Step 5: Solve for x
    x = 45,897,900.05/9,988.75
  6. Step 6: Final answer
    x = 4,594.96

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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.