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Finding the Fourth Proportional to 9,387.68, 14,068.38 and 6,228.83

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Solution

The fourth proportional to 9,387.68, 14,068.38 and 6,228.83 is: 9,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.68 : 14,068.38 = 6,228.83 : x
  2. Step 2: Convert to fraction form
    9,387.68/14,068.38 = 6,228.83/x
  3. Step 3: Cross multiply
    9,387.68x = 14,068.38 × 6,228.83
  4. Step 4: Simplify right side
    9,387.68x = 87,629,477.05
  5. Step 5: Solve for x
    x = 87,629,477.05/9,387.68
  6. Step 6: Final answer
    x = 9,334.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.