Home / 12,069.28-18,104.16-7,935.64

Finding the Fourth Proportional to 12,069.28, 18,104.16 and 7,935.64

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Solution

The fourth proportional to 12,069.28, 18,104.16 and 7,935.64 is: 11,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.28 : 18,104.16 = 7,935.64 : x
  2. Step 2: Convert to fraction form
    12,069.28/18,104.16 = 7,935.64/x
  3. Step 3: Cross multiply
    12,069.28x = 18,104.16 × 7,935.64
  4. Step 4: Simplify right side
    12,069.28x = 143,668,096.26
  5. Step 5: Solve for x
    x = 143,668,096.26/12,069.28
  6. Step 6: Final answer
    x = 11,903.62

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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.