Home / 9,396.25-12,963.60-5,360.18

Finding the Fourth Proportional to 9,396.25, 12,963.60 and 5,360.18

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Solution

The fourth proportional to 9,396.25, 12,963.60 and 5,360.18 is: 7,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.25 : 12,963.60 = 5,360.18 : x
  2. Step 2: Convert to fraction form
    9,396.25/12,963.60 = 5,360.18/x
  3. Step 3: Cross multiply
    9,396.25x = 12,963.60 × 5,360.18
  4. Step 4: Simplify right side
    9,396.25x = 69,487,178.03
  5. Step 5: Solve for x
    x = 69,487,178.03/9,396.25
  6. Step 6: Final answer
    x = 7,395.21

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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.