Home / 13,030.40-19,545.32-3,169.73

Finding the Fourth Proportional to 13,030.40, 19,545.32 and 3,169.73

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Solution

The fourth proportional to 13,030.40, 19,545.32 and 3,169.73 is: 4,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.40 : 19,545.32 = 3,169.73 : x
  2. Step 2: Convert to fraction form
    13,030.40/19,545.32 = 3,169.73/x
  3. Step 3: Cross multiply
    13,030.40x = 19,545.32 × 3,169.73
  4. Step 4: Simplify right side
    13,030.40x = 61,953,443.95
  5. Step 5: Solve for x
    x = 61,953,443.95/13,030.40
  6. Step 6: Final answer
    x = 4,754.53

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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.