Home / 13,030.70-19,545.75-3,170.03

Finding the Fourth Proportional to 13,030.70, 19,545.75 and 3,170.03

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Solution

The fourth proportional to 13,030.70, 19,545.75 and 3,170.03 is: 4,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.70 : 19,545.75 = 3,170.03 : x
  2. Step 2: Convert to fraction form
    13,030.70/19,545.75 = 3,170.03/x
  3. Step 3: Cross multiply
    13,030.70x = 19,545.75 × 3,170.03
  4. Step 4: Simplify right side
    13,030.70x = 61,960,516.14
  5. Step 5: Solve for x
    x = 61,960,516.14/13,030.70
  6. Step 6: Final answer
    x = 4,754.97

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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.