Home / 10,252.80-15,384.47-5,326.38

Finding the Fourth Proportional to 10,252.80, 15,384.47 and 5,326.38

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Solution

The fourth proportional to 10,252.80, 15,384.47 and 5,326.38 is: 7,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.80 : 15,384.47 = 5,326.38 : x
  2. Step 2: Convert to fraction form
    10,252.80/15,384.47 = 5,326.38/x
  3. Step 3: Cross multiply
    10,252.80x = 15,384.47 × 5,326.38
  4. Step 4: Simplify right side
    10,252.80x = 81,943,506.69
  5. Step 5: Solve for x
    x = 81,943,506.69/10,252.80
  6. Step 6: Final answer
    x = 7,992.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.