Home / 12,379.65-18,534.07-11,594.05

Finding the Fourth Proportional to 12,379.65, 18,534.07 and 11,594.05

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Solution

The fourth proportional to 12,379.65, 18,534.07 and 11,594.05 is: 17,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.65 : 18,534.07 = 11,594.05 : x
  2. Step 2: Convert to fraction form
    12,379.65/18,534.07 = 11,594.05/x
  3. Step 3: Cross multiply
    12,379.65x = 18,534.07 × 11,594.05
  4. Step 4: Simplify right side
    12,379.65x = 214,884,934.28
  5. Step 5: Solve for x
    x = 214,884,934.28/12,379.65
  6. Step 6: Final answer
    x = 17,357.92

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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.