Home / 11,110.80-15,339.30-8,293.70

Finding the Fourth Proportional to 11,110.80, 15,339.30 and 8,293.70

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Solution

The fourth proportional to 11,110.80, 15,339.30 and 8,293.70 is: 11,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.80 : 15,339.30 = 8,293.70 : x
  2. Step 2: Convert to fraction form
    11,110.80/15,339.30 = 8,293.70/x
  3. Step 3: Cross multiply
    11,110.80x = 15,339.30 × 8,293.70
  4. Step 4: Simplify right side
    11,110.80x = 127,219,552.41
  5. Step 5: Solve for x
    x = 127,219,552.41/11,110.80
  6. Step 6: Final answer
    x = 11,450.08

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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.