Home / 14,821.02-20,452.86-8,106.66

Finding the Fourth Proportional to 14,821.02, 20,452.86 and 8,106.66

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Solution

The fourth proportional to 14,821.02, 20,452.86 and 8,106.66 is: 11,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.02 : 20,452.86 = 8,106.66 : x
  2. Step 2: Convert to fraction form
    14,821.02/20,452.86 = 8,106.66/x
  3. Step 3: Cross multiply
    14,821.02x = 20,452.86 × 8,106.66
  4. Step 4: Simplify right side
    14,821.02x = 165,804,382.05
  5. Step 5: Solve for x
    x = 165,804,382.05/14,821.02
  6. Step 6: Final answer
    x = 11,187.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.