Home / 9,988.31-14,985.41-2,968.38

Finding the Fourth Proportional to 9,988.31, 14,985.41 and 2,968.38

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Solution

The fourth proportional to 9,988.31, 14,985.41 and 2,968.38 is: 4,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.31 : 14,985.41 = 2,968.38 : x
  2. Step 2: Convert to fraction form
    9,988.31/14,985.41 = 2,968.38/x
  3. Step 3: Cross multiply
    9,988.31x = 14,985.41 × 2,968.38
  4. Step 4: Simplify right side
    9,988.31x = 44,482,376.49
  5. Step 5: Solve for x
    x = 44,482,376.49/9,988.31
  6. Step 6: Final answer
    x = 4,453.44

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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.