Home / 19,939.70-29,881.32-11,058.92

Finding the Fourth Proportional to 19,939.70, 29,881.32 and 11,058.92

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Solution

The fourth proportional to 19,939.70, 29,881.32 and 11,058.92 is: 16,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.70 : 29,881.32 = 11,058.92 : x
  2. Step 2: Convert to fraction form
    19,939.70/29,881.32 = 11,058.92/x
  3. Step 3: Cross multiply
    19,939.70x = 29,881.32 × 11,058.92
  4. Step 4: Simplify right side
    19,939.70x = 330,455,127.37
  5. Step 5: Solve for x
    x = 330,455,127.37/19,939.70
  6. Step 6: Final answer
    x = 16,572.72

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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.