Home / 14,447.02-21,652.80-8,212.25

Finding the Fourth Proportional to 14,447.02, 21,652.80 and 8,212.25

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Solution

The fourth proportional to 14,447.02, 21,652.80 and 8,212.25 is: 12,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.02 : 21,652.80 = 8,212.25 : x
  2. Step 2: Convert to fraction form
    14,447.02/21,652.80 = 8,212.25/x
  3. Step 3: Cross multiply
    14,447.02x = 21,652.80 × 8,212.25
  4. Step 4: Simplify right side
    14,447.02x = 177,818,206.80
  5. Step 5: Solve for x
    x = 177,818,206.80/14,447.02
  6. Step 6: Final answer
    x = 12,308.30

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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.