Home / 15,393.32-21,252.66-9,658.64

Finding the Fourth Proportional to 15,393.32, 21,252.66 and 9,658.64

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Solution

The fourth proportional to 15,393.32, 21,252.66 and 9,658.64 is: 13,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.32 : 21,252.66 = 9,658.64 : x
  2. Step 2: Convert to fraction form
    15,393.32/21,252.66 = 9,658.64/x
  3. Step 3: Cross multiply
    15,393.32x = 21,252.66 × 9,658.64
  4. Step 4: Simplify right side
    15,393.32x = 205,271,791.98
  5. Step 5: Solve for x
    x = 205,271,791.98/15,393.32
  6. Step 6: Final answer
    x = 13,335.12

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