Home / 11,109.12-16,657.58-7,603.16

Finding the Fourth Proportional to 11,109.12, 16,657.58 and 7,603.16

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Solution

The fourth proportional to 11,109.12, 16,657.58 and 7,603.16 is: 11,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.12 : 16,657.58 = 7,603.16 : x
  2. Step 2: Convert to fraction form
    11,109.12/16,657.58 = 7,603.16/x
  3. Step 3: Cross multiply
    11,109.12x = 16,657.58 × 7,603.16
  4. Step 4: Simplify right side
    11,109.12x = 126,650,245.95
  5. Step 5: Solve for x
    x = 126,650,245.95/11,109.12
  6. Step 6: Final answer
    x = 11,400.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.