Home / 19,701.36-29,542.32-7,211.97

Finding the Fourth Proportional to 19,701.36, 29,542.32 and 7,211.97

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Solution

The fourth proportional to 19,701.36, 29,542.32 and 7,211.97 is: 10,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.36 : 29,542.32 = 7,211.97 : x
  2. Step 2: Convert to fraction form
    19,701.36/29,542.32 = 7,211.97/x
  3. Step 3: Cross multiply
    19,701.36x = 29,542.32 × 7,211.97
  4. Step 4: Simplify right side
    19,701.36x = 213,058,325.57
  5. Step 5: Solve for x
    x = 213,058,325.57/19,701.36
  6. Step 6: Final answer
    x = 10,814.40

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1.5x scale

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.