Home / 13,019.92-19,529.91-4,705.81

Finding the Fourth Proportional to 13,019.92, 19,529.91 and 4,705.81

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Solution

The fourth proportional to 13,019.92, 19,529.91 and 4,705.81 is: 7,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.92 : 19,529.91 = 4,705.81 : x
  2. Step 2: Convert to fraction form
    13,019.92/19,529.91 = 4,705.81/x
  3. Step 3: Cross multiply
    13,019.92x = 19,529.91 × 4,705.81
  4. Step 4: Simplify right side
    13,019.92x = 91,904,033.57
  5. Step 5: Solve for x
    x = 91,904,033.57/13,019.92
  6. Step 6: Final answer
    x = 7,058.72

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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.