Home / 11,225.85-15,492.59-6,191.05

Finding the Fourth Proportional to 11,225.85, 15,492.59 and 6,191.05

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Solution

The fourth proportional to 11,225.85, 15,492.59 and 6,191.05 is: 8,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.85 : 15,492.59 = 6,191.05 : x
  2. Step 2: Convert to fraction form
    11,225.85/15,492.59 = 6,191.05/x
  3. Step 3: Cross multiply
    11,225.85x = 15,492.59 × 6,191.05
  4. Step 4: Simplify right side
    11,225.85x = 95,915,399.32
  5. Step 5: Solve for x
    x = 95,915,399.32/11,225.85
  6. Step 6: Final answer
    x = 8,544.15

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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.