Home / 14,040.78-19,379.31-9,575.19

Finding the Fourth Proportional to 14,040.78, 19,379.31 and 9,575.19

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Solution

The fourth proportional to 14,040.78, 19,379.31 and 9,575.19 is: 13,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.78 : 19,379.31 = 9,575.19 : x
  2. Step 2: Convert to fraction form
    14,040.78/19,379.31 = 9,575.19/x
  3. Step 3: Cross multiply
    14,040.78x = 19,379.31 × 9,575.19
  4. Step 4: Simplify right side
    14,040.78x = 185,560,575.32
  5. Step 5: Solve for x
    x = 185,560,575.32/14,040.78
  6. Step 6: Final answer
    x = 13,215.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.