Home / 21,867.60-32,801.40-8,014.80

Finding the Fourth Proportional to 21,867.60, 32,801.40 and 8,014.80

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Solution

The fourth proportional to 21,867.60, 32,801.40 and 8,014.80 is: 12,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.60 : 32,801.40 = 8,014.80 : x
  2. Step 2: Convert to fraction form
    21,867.60/32,801.40 = 8,014.80/x
  3. Step 3: Cross multiply
    21,867.60x = 32,801.40 × 8,014.80
  4. Step 4: Simplify right side
    21,867.60x = 262,896,660.72
  5. Step 5: Solve for x
    x = 262,896,660.72/21,867.60
  6. Step 6: Final answer
    x = 12,022.20

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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.