Home / 9,069.80-13,620.90-6,607.40

Finding the Fourth Proportional to 9,069.80, 13,620.90 and 6,607.40

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Solution

The fourth proportional to 9,069.80, 13,620.90 and 6,607.40 is: 9,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.80 : 13,620.90 = 6,607.40 : x
  2. Step 2: Convert to fraction form
    9,069.80/13,620.90 = 6,607.40/x
  3. Step 3: Cross multiply
    9,069.80x = 13,620.90 × 6,607.40
  4. Step 4: Simplify right side
    9,069.80x = 89,998,734.66
  5. Step 5: Solve for x
    x = 89,998,734.66/9,069.80
  6. Step 6: Final answer
    x = 9,922.90

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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.