Home / 9,988.38-14,985.56-2,968.62

Finding the Fourth Proportional to 9,988.38, 14,985.56 and 2,968.62

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Solution

The fourth proportional to 9,988.38, 14,985.56 and 2,968.62 is: 4,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.38 : 14,985.56 = 2,968.62 : x
  2. Step 2: Convert to fraction form
    9,988.38/14,985.56 = 2,968.62/x
  3. Step 3: Cross multiply
    9,988.38x = 14,985.56 × 2,968.62
  4. Step 4: Simplify right side
    9,988.38x = 44,486,418.28
  5. Step 5: Solve for x
    x = 44,486,418.28/9,988.38
  6. Step 6: Final answer
    x = 4,453.82

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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.