Home / 13,249.31-18,283.98-7,584.02

Finding the Fourth Proportional to 13,249.31, 18,283.98 and 7,584.02

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Solution

The fourth proportional to 13,249.31, 18,283.98 and 7,584.02 is: 10,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.31 : 18,283.98 = 7,584.02 : x
  2. Step 2: Convert to fraction form
    13,249.31/18,283.98 = 7,584.02/x
  3. Step 3: Cross multiply
    13,249.31x = 18,283.98 × 7,584.02
  4. Step 4: Simplify right side
    13,249.31x = 138,666,115.71
  5. Step 5: Solve for x
    x = 138,666,115.71/13,249.31
  6. Step 6: Final answer
    x = 10,465.92

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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.