Home / 19,362.19-29,053.91-7,516.45

Finding the Fourth Proportional to 19,362.19, 29,053.91 and 7,516.45

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Solution

The fourth proportional to 19,362.19, 29,053.91 and 7,516.45 is: 11,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.19 : 29,053.91 = 7,516.45 : x
  2. Step 2: Convert to fraction form
    19,362.19/29,053.91 = 7,516.45/x
  3. Step 3: Cross multiply
    19,362.19x = 29,053.91 × 7,516.45
  4. Step 4: Simplify right side
    19,362.19x = 218,382,261.82
  5. Step 5: Solve for x
    x = 218,382,261.82/19,362.19
  6. Step 6: Final answer
    x = 11,278.80

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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.