Home / 13,882.73-19,158.11-7,509.33

Finding the Fourth Proportional to 13,882.73, 19,158.11 and 7,509.33

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Solution

The fourth proportional to 13,882.73, 19,158.11 and 7,509.33 is: 10,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.73 : 19,158.11 = 7,509.33 : x
  2. Step 2: Convert to fraction form
    13,882.73/19,158.11 = 7,509.33/x
  3. Step 3: Cross multiply
    13,882.73x = 19,158.11 × 7,509.33
  4. Step 4: Simplify right side
    13,882.73x = 143,864,474.38
  5. Step 5: Solve for x
    x = 143,864,474.38/13,882.73
  6. Step 6: Final answer
    x = 10,362.84

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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.