Home / 12,039.02-18,042.08-6,776.54

Finding the Fourth Proportional to 12,039.02, 18,042.08 and 6,776.54

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Solution

The fourth proportional to 12,039.02, 18,042.08 and 6,776.54 is: 10,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.02 : 18,042.08 = 6,776.54 : x
  2. Step 2: Convert to fraction form
    12,039.02/18,042.08 = 6,776.54/x
  3. Step 3: Cross multiply
    12,039.02x = 18,042.08 × 6,776.54
  4. Step 4: Simplify right side
    12,039.02x = 122,262,876.80
  5. Step 5: Solve for x
    x = 122,262,876.80/12,039.02
  6. Step 6: Final answer
    x = 10,155.55

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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.