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Finding the Fourth Proportional to 9,387.03, 14,068.84 and 8,214.25

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Solution

The fourth proportional to 9,387.03, 14,068.84 and 8,214.25 is: 12,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.03 : 14,068.84 = 8,214.25 : x
  2. Step 2: Convert to fraction form
    9,387.03/14,068.84 = 8,214.25/x
  3. Step 3: Cross multiply
    9,387.03x = 14,068.84 × 8,214.25
  4. Step 4: Simplify right side
    9,387.03x = 115,564,857.55
  5. Step 5: Solve for x
    x = 115,564,857.55/9,387.03
  6. Step 6: Final answer
    x = 12,311.12

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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.