Home / 13,252.38-18,288.29-7,284

Finding the Fourth Proportional to 13,252.38, 18,288.29 and 7,284

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Solution

The fourth proportional to 13,252.38, 18,288.29 and 7,284 is: 10,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.38 : 18,288.29 = 7,284 : x
  2. Step 2: Convert to fraction form
    13,252.38/18,288.29 = 7,284/x
  3. Step 3: Cross multiply
    13,252.38x = 18,288.29 × 7,284
  4. Step 4: Simplify right side
    13,252.38x = 133,211,904.36
  5. Step 5: Solve for x
    x = 133,211,904.36/13,252.38
  6. Step 6: Final answer
    x = 10,051.92

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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.