Home / 11,226.47-15,492.17-6,190.90

Finding the Fourth Proportional to 11,226.47, 15,492.17 and 6,190.90

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Solution

The fourth proportional to 11,226.47, 15,492.17 and 6,190.90 is: 8,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.47 : 15,492.17 = 6,190.90 : x
  2. Step 2: Convert to fraction form
    11,226.47/15,492.17 = 6,190.90/x
  3. Step 3: Cross multiply
    11,226.47x = 15,492.17 × 6,190.90
  4. Step 4: Simplify right side
    11,226.47x = 95,910,457.83
  5. Step 5: Solve for x
    x = 95,910,457.83/11,226.47
  6. Step 6: Final answer
    x = 8,543.25

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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.