Home / 18,379.60-27,570.31-5,232.89

Finding the Fourth Proportional to 18,379.60, 27,570.31 and 5,232.89

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Solution

The fourth proportional to 18,379.60, 27,570.31 and 5,232.89 is: 7,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.60 : 27,570.31 = 5,232.89 : x
  2. Step 2: Convert to fraction form
    18,379.60/27,570.31 = 5,232.89/x
  3. Step 3: Cross multiply
    18,379.60x = 27,570.31 × 5,232.89
  4. Step 4: Simplify right side
    18,379.60x = 144,272,455.34
  5. Step 5: Solve for x
    x = 144,272,455.34/18,379.60
  6. Step 6: Final answer
    x = 7,849.60

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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.