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Finding the Fourth Proportional to 9,603, 13,252.90 and 5,355.44

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Solution

The fourth proportional to 9,603, 13,252.90 and 5,355.44 is: 7,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603 : 13,252.90 = 5,355.44 : x
  2. Step 2: Convert to fraction form
    9,603/13,252.90 = 5,355.44/x
  3. Step 3: Cross multiply
    9,603x = 13,252.90 × 5,355.44
  4. Step 4: Simplify right side
    9,603x = 70,975,110.78
  5. Step 5: Solve for x
    x = 70,975,110.78/9,603
  6. Step 6: Final answer
    x = 7,390.93

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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.