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Finding the Fourth Proportional to 11,019, 15,206.58 and 6,303

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Solution

The fourth proportional to 11,019, 15,206.58 and 6,303 is: 8,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019 : 15,206.58 = 6,303 : x
  2. Step 2: Convert to fraction form
    11,019/15,206.58 = 6,303/x
  3. Step 3: Cross multiply
    11,019x = 15,206.58 × 6,303
  4. Step 4: Simplify right side
    11,019x = 95,847,073.74
  5. Step 5: Solve for x
    x = 95,847,073.74/11,019
  6. Step 6: Final answer
    x = 8,698.35

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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.