Home / 13,030.53-19,545.64-3,169.82

Finding the Fourth Proportional to 13,030.53, 19,545.64 and 3,169.82

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Solution

The fourth proportional to 13,030.53, 19,545.64 and 3,169.82 is: 4,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.53 : 19,545.64 = 3,169.82 : x
  2. Step 2: Convert to fraction form
    13,030.53/19,545.64 = 3,169.82/x
  3. Step 3: Cross multiply
    13,030.53x = 19,545.64 × 3,169.82
  4. Step 4: Simplify right side
    13,030.53x = 61,956,160.58
  5. Step 5: Solve for x
    x = 61,956,160.58/13,030.53
  6. Step 6: Final answer
    x = 4,754.69

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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.