Home / 11,284.92-15,569.82-7,299.72

Finding the Fourth Proportional to 11,284.92, 15,569.82 and 7,299.72

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Solution

The fourth proportional to 11,284.92, 15,569.82 and 7,299.72 is: 10,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.92 : 15,569.82 = 7,299.72 : x
  2. Step 2: Convert to fraction form
    11,284.92/15,569.82 = 7,299.72/x
  3. Step 3: Cross multiply
    11,284.92x = 15,569.82 × 7,299.72
  4. Step 4: Simplify right side
    11,284.92x = 113,655,326.45
  5. Step 5: Solve for x
    x = 113,655,326.45/11,284.92
  6. Step 6: Final answer
    x = 10,071.43

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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.