Home / 9,869.44-13,619.36-5,393.04

Finding the Fourth Proportional to 9,869.44, 13,619.36 and 5,393.04

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Solution

The fourth proportional to 9,869.44, 13,619.36 and 5,393.04 is: 7,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.44 : 13,619.36 = 5,393.04 : x
  2. Step 2: Convert to fraction form
    9,869.44/13,619.36 = 5,393.04/x
  3. Step 3: Cross multiply
    9,869.44x = 13,619.36 × 5,393.04
  4. Step 4: Simplify right side
    9,869.44x = 73,449,753.25
  5. Step 5: Solve for x
    x = 73,449,753.25/9,869.44
  6. Step 6: Final answer
    x = 7,442.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.