Home / 9,603.13-13,252.32-5,187.13

Finding the Fourth Proportional to 9,603.13, 13,252.32 and 5,187.13

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Solution

The fourth proportional to 9,603.13, 13,252.32 and 5,187.13 is: 7,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.13 : 13,252.32 = 5,187.13 : x
  2. Step 2: Convert to fraction form
    9,603.13/13,252.32 = 5,187.13/x
  3. Step 3: Cross multiply
    9,603.13x = 13,252.32 × 5,187.13
  4. Step 4: Simplify right side
    9,603.13x = 68,741,414.44
  5. Step 5: Solve for x
    x = 68,741,414.44/9,603.13
  6. Step 6: Final answer
    x = 7,158.23

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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.