Home / 12,260.47-16,923.02-8,012.15

Finding the Fourth Proportional to 12,260.47, 16,923.02 and 8,012.15

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Solution

The fourth proportional to 12,260.47, 16,923.02 and 8,012.15 is: 11,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.47 : 16,923.02 = 8,012.15 : x
  2. Step 2: Convert to fraction form
    12,260.47/16,923.02 = 8,012.15/x
  3. Step 3: Cross multiply
    12,260.47x = 16,923.02 × 8,012.15
  4. Step 4: Simplify right side
    12,260.47x = 135,589,774.69
  5. Step 5: Solve for x
    x = 135,589,774.69/12,260.47
  6. Step 6: Final answer
    x = 11,059.10

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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.