Home / 9,309.12-13,964.88-3,069.76

Finding the Fourth Proportional to 9,309.12, 13,964.88 and 3,069.76

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Solution

The fourth proportional to 9,309.12, 13,964.88 and 3,069.76 is: 4,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.12 : 13,964.88 = 3,069.76 : x
  2. Step 2: Convert to fraction form
    9,309.12/13,964.88 = 3,069.76/x
  3. Step 3: Cross multiply
    9,309.12x = 13,964.88 × 3,069.76
  4. Step 4: Simplify right side
    9,309.12x = 42,868,830.03
  5. Step 5: Solve for x
    x = 42,868,830.03/9,309.12
  6. Step 6: Final answer
    x = 4,605.04

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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.