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Finding the Fourth Proportional to 9,000.15, 13,504.78 and 6,072.31

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Solution

The fourth proportional to 9,000.15, 13,504.78 and 6,072.31 is: 9,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.15 : 13,504.78 = 6,072.31 : x
  2. Step 2: Convert to fraction form
    9,000.15/13,504.78 = 6,072.31/x
  3. Step 3: Cross multiply
    9,000.15x = 13,504.78 × 6,072.31
  4. Step 4: Simplify right side
    9,000.15x = 82,005,210.64
  5. Step 5: Solve for x
    x = 82,005,210.64/9,000.15
  6. Step 6: Final answer
    x = 9,111.54

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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.