Home / 21,568.02-32,356.60-6,778.44

Finding the Fourth Proportional to 21,568.02, 32,356.60 and 6,778.44

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Solution

The fourth proportional to 21,568.02, 32,356.60 and 6,778.44 is: 10,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.02 : 32,356.60 = 6,778.44 : x
  2. Step 2: Convert to fraction form
    21,568.02/32,356.60 = 6,778.44/x
  3. Step 3: Cross multiply
    21,568.02x = 32,356.60 × 6,778.44
  4. Step 4: Simplify right side
    21,568.02x = 219,327,271.70
  5. Step 5: Solve for x
    x = 219,327,271.70/21,568.02
  6. Step 6: Final answer
    x = 10,169.10

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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.