Home / 11,053.82-15,228.33-7,690.85

Finding the Fourth Proportional to 11,053.82, 15,228.33 and 7,690.85

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Solution

The fourth proportional to 11,053.82, 15,228.33 and 7,690.85 is: 10,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.82 : 15,228.33 = 7,690.85 : x
  2. Step 2: Convert to fraction form
    11,053.82/15,228.33 = 7,690.85/x
  3. Step 3: Cross multiply
    11,053.82x = 15,228.33 × 7,690.85
  4. Step 4: Simplify right side
    11,053.82x = 117,118,859.08
  5. Step 5: Solve for x
    x = 117,118,859.08/11,053.82
  6. Step 6: Final answer
    x = 10,595.33

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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.