Home / 11,219.78-15,483.39-6,184.18

Finding the Fourth Proportional to 11,219.78, 15,483.39 and 6,184.18

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Solution

The fourth proportional to 11,219.78, 15,483.39 and 6,184.18 is: 8,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.78 : 15,483.39 = 6,184.18 : x
  2. Step 2: Convert to fraction form
    11,219.78/15,483.39 = 6,184.18/x
  3. Step 3: Cross multiply
    11,219.78x = 15,483.39 × 6,184.18
  4. Step 4: Simplify right side
    11,219.78x = 95,752,066.93
  5. Step 5: Solve for x
    x = 95,752,066.93/11,219.78
  6. Step 6: Final answer
    x = 8,534.22

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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.