Home / 9,989.44-14,972.88-6,085.28

Finding the Fourth Proportional to 9,989.44, 14,972.88 and 6,085.28

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Solution

The fourth proportional to 9,989.44, 14,972.88 and 6,085.28 is: 9,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.44 : 14,972.88 = 6,085.28 : x
  2. Step 2: Convert to fraction form
    9,989.44/14,972.88 = 6,085.28/x
  3. Step 3: Cross multiply
    9,989.44x = 14,972.88 × 6,085.28
  4. Step 4: Simplify right side
    9,989.44x = 91,114,167.21
  5. Step 5: Solve for x
    x = 91,114,167.21/9,989.44
  6. Step 6: Final answer
    x = 9,121.05

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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.