Home / 9,165.90-12,654.67-6,299.56

Finding the Fourth Proportional to 9,165.90, 12,654.67 and 6,299.56

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Solution

The fourth proportional to 9,165.90, 12,654.67 and 6,299.56 is: 8,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.90 : 12,654.67 = 6,299.56 : x
  2. Step 2: Convert to fraction form
    9,165.90/12,654.67 = 6,299.56/x
  3. Step 3: Cross multiply
    9,165.90x = 12,654.67 × 6,299.56
  4. Step 4: Simplify right side
    9,165.90x = 79,718,852.95
  5. Step 5: Solve for x
    x = 79,718,852.95/9,165.90
  6. Step 6: Final answer
    x = 8,697.33

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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.