Home / 11,882.29-17,813.41-7,490.07

Finding the Fourth Proportional to 11,882.29, 17,813.41 and 7,490.07

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Solution

The fourth proportional to 11,882.29, 17,813.41 and 7,490.07 is: 11,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.29 : 17,813.41 = 7,490.07 : x
  2. Step 2: Convert to fraction form
    11,882.29/17,813.41 = 7,490.07/x
  3. Step 3: Cross multiply
    11,882.29x = 17,813.41 × 7,490.07
  4. Step 4: Simplify right side
    11,882.29x = 133,423,598.77
  5. Step 5: Solve for x
    x = 133,423,598.77/11,882.29
  6. Step 6: Final answer
    x = 11,228.78

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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.