Home / 19,701.77-29,536.02-9,166.35

Finding the Fourth Proportional to 19,701.77, 29,536.02 and 9,166.35

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Solution

The fourth proportional to 19,701.77, 29,536.02 and 9,166.35 is: 13,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.77 : 29,536.02 = 9,166.35 : x
  2. Step 2: Convert to fraction form
    19,701.77/29,536.02 = 9,166.35/x
  3. Step 3: Cross multiply
    19,701.77x = 29,536.02 × 9,166.35
  4. Step 4: Simplify right side
    19,701.77x = 270,737,593.68
  5. Step 5: Solve for x
    x = 270,737,593.68/19,701.77
  6. Step 6: Final answer
    x = 13,741.79

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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.