Home / 11,189.75-15,441.63-6,153.90

Finding the Fourth Proportional to 11,189.75, 15,441.63 and 6,153.90

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Solution

The fourth proportional to 11,189.75, 15,441.63 and 6,153.90 is: 8,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.75 : 15,441.63 = 6,153.90 : x
  2. Step 2: Convert to fraction form
    11,189.75/15,441.63 = 6,153.90/x
  3. Step 3: Cross multiply
    11,189.75x = 15,441.63 × 6,153.90
  4. Step 4: Simplify right side
    11,189.75x = 95,026,246.86
  5. Step 5: Solve for x
    x = 95,026,246.86/11,189.75
  6. Step 6: Final answer
    x = 8,492.26

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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.