Home / 19,054.72-28,574.16-7,206.43

Finding the Fourth Proportional to 19,054.72, 28,574.16 and 7,206.43

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Solution

The fourth proportional to 19,054.72, 28,574.16 and 7,206.43 is: 10,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.72 : 28,574.16 = 7,206.43 : x
  2. Step 2: Convert to fraction form
    19,054.72/28,574.16 = 7,206.43/x
  3. Step 3: Cross multiply
    19,054.72x = 28,574.16 × 7,206.43
  4. Step 4: Simplify right side
    19,054.72x = 205,917,683.85
  5. Step 5: Solve for x
    x = 205,917,683.85/19,054.72
  6. Step 6: Final answer
    x = 10,806.65

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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.