Home / 19,939.69-29,881.33-11,058.93

Finding the Fourth Proportional to 19,939.69, 29,881.33 and 11,058.93

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Solution

The fourth proportional to 19,939.69, 29,881.33 and 11,058.93 is: 16,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.69 : 29,881.33 = 11,058.93 : x
  2. Step 2: Convert to fraction form
    19,939.69/29,881.33 = 11,058.93/x
  3. Step 3: Cross multiply
    19,939.69x = 29,881.33 × 11,058.93
  4. Step 4: Simplify right side
    19,939.69x = 330,455,536.78
  5. Step 5: Solve for x
    x = 330,455,536.78/19,939.69
  6. Step 6: Final answer
    x = 16,572.75

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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.