Home / 9,619.48-14,420.58-4,988.44

Finding the Fourth Proportional to 9,619.48, 14,420.58 and 4,988.44

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Solution

The fourth proportional to 9,619.48, 14,420.58 and 4,988.44 is: 7,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.48 : 14,420.58 = 4,988.44 : x
  2. Step 2: Convert to fraction form
    9,619.48/14,420.58 = 4,988.44/x
  3. Step 3: Cross multiply
    9,619.48x = 14,420.58 × 4,988.44
  4. Step 4: Simplify right side
    9,619.48x = 71,936,198.10
  5. Step 5: Solve for x
    x = 71,936,198.10/9,619.48
  6. Step 6: Final answer
    x = 7,478.18

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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.