Home / 21,801.54-32,701.61-6,219.16

Finding the Fourth Proportional to 21,801.54, 32,701.61 and 6,219.16

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Solution

The fourth proportional to 21,801.54, 32,701.61 and 6,219.16 is: 9,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.54 : 32,701.61 = 6,219.16 : x
  2. Step 2: Convert to fraction form
    21,801.54/32,701.61 = 6,219.16/x
  3. Step 3: Cross multiply
    21,801.54x = 32,701.61 × 6,219.16
  4. Step 4: Simplify right side
    21,801.54x = 203,376,544.85
  5. Step 5: Solve for x
    x = 203,376,544.85/21,801.54
  6. Step 6: Final answer
    x = 9,328.54

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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.