Home / 11,284.75-15,569.35-7,308.91

Finding the Fourth Proportional to 11,284.75, 15,569.35 and 7,308.91

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Solution

The fourth proportional to 11,284.75, 15,569.35 and 7,308.91 is: 10,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.75 : 15,569.35 = 7,308.91 : x
  2. Step 2: Convert to fraction form
    11,284.75/15,569.35 = 7,308.91/x
  3. Step 3: Cross multiply
    11,284.75x = 15,569.35 × 7,308.91
  4. Step 4: Simplify right side
    11,284.75x = 113,794,977.91
  5. Step 5: Solve for x
    x = 113,794,977.91/11,284.75
  6. Step 6: Final answer
    x = 10,083.96

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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.