Home / 13,882.23-19,157.42-7,508.82

Finding the Fourth Proportional to 13,882.23, 19,157.42 and 7,508.82

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Solution

The fourth proportional to 13,882.23, 19,157.42 and 7,508.82 is: 10,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.23 : 19,157.42 = 7,508.82 : x
  2. Step 2: Convert to fraction form
    13,882.23/19,157.42 = 7,508.82/x
  3. Step 3: Cross multiply
    13,882.23x = 19,157.42 × 7,508.82
  4. Step 4: Simplify right side
    13,882.23x = 143,849,709.06
  5. Step 5: Solve for x
    x = 143,849,709.06/13,882.23
  6. Step 6: Final answer
    x = 10,362.15

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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.