Home / 9,388.48-14,013.44-8,281.60

Finding the Fourth Proportional to 9,388.48, 14,013.44 and 8,281.60

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Solution

The fourth proportional to 9,388.48, 14,013.44 and 8,281.60 is: 12,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.48 : 14,013.44 = 8,281.60 : x
  2. Step 2: Convert to fraction form
    9,388.48/14,013.44 = 8,281.60/x
  3. Step 3: Cross multiply
    9,388.48x = 14,013.44 × 8,281.60
  4. Step 4: Simplify right side
    9,388.48x = 116,053,704.70
  5. Step 5: Solve for x
    x = 116,053,704.70/9,388.48
  6. Step 6: Final answer
    x = 12,361.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.