Home / 16,005.36-22,086.96-9,290.60

Finding the Fourth Proportional to 16,005.36, 22,086.96 and 9,290.60

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Solution

The fourth proportional to 16,005.36, 22,086.96 and 9,290.60 is: 12,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.36 : 22,086.96 = 9,290.60 : x
  2. Step 2: Convert to fraction form
    16,005.36/22,086.96 = 9,290.60/x
  3. Step 3: Cross multiply
    16,005.36x = 22,086.96 × 9,290.60
  4. Step 4: Simplify right side
    16,005.36x = 205,201,110.58
  5. Step 5: Solve for x
    x = 205,201,110.58/16,005.36
  6. Step 6: Final answer
    x = 12,820.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.