Home / 18,185.96-27,279.54-5,038.46

Finding the Fourth Proportional to 18,185.96, 27,279.54 and 5,038.46

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Solution

The fourth proportional to 18,185.96, 27,279.54 and 5,038.46 is: 7,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.96 : 27,279.54 = 5,038.46 : x
  2. Step 2: Convert to fraction form
    18,185.96/27,279.54 = 5,038.46/x
  3. Step 3: Cross multiply
    18,185.96x = 27,279.54 × 5,038.46
  4. Step 4: Simplify right side
    18,185.96x = 137,446,871.11
  5. Step 5: Solve for x
    x = 137,446,871.11/18,185.96
  6. Step 6: Final answer
    x = 7,557.86

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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.