Home / 18,437.10-27,653.52-5,111.09

Finding the Fourth Proportional to 18,437.10, 27,653.52 and 5,111.09

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Solution

The fourth proportional to 18,437.10, 27,653.52 and 5,111.09 is: 7,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.10 : 27,653.52 = 5,111.09 : x
  2. Step 2: Convert to fraction form
    18,437.10/27,653.52 = 5,111.09/x
  3. Step 3: Cross multiply
    18,437.10x = 27,653.52 × 5,111.09
  4. Step 4: Simplify right side
    18,437.10x = 141,339,491.27
  5. Step 5: Solve for x
    x = 141,339,491.27/18,437.10
  6. Step 6: Final answer
    x = 7,666.04

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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.