Home / 21,600.77-32,405.54-9,120.83

Finding the Fourth Proportional to 21,600.77, 32,405.54 and 9,120.83

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Solution

The fourth proportional to 21,600.77, 32,405.54 and 9,120.83 is: 13,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.77 : 32,405.54 = 9,120.83 : x
  2. Step 2: Convert to fraction form
    21,600.77/32,405.54 = 9,120.83/x
  3. Step 3: Cross multiply
    21,600.77x = 32,405.54 × 9,120.83
  4. Step 4: Simplify right side
    21,600.77x = 295,565,213.77
  5. Step 5: Solve for x
    x = 295,565,213.77/21,600.77
  6. Step 6: Final answer
    x = 13,683.09

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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.