Home / 12,066.86-16,652.54-6,761.66

Finding the Fourth Proportional to 12,066.86, 16,652.54 and 6,761.66

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Solution

The fourth proportional to 12,066.86, 16,652.54 and 6,761.66 is: 9,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.86 : 16,652.54 = 6,761.66 : x
  2. Step 2: Convert to fraction form
    12,066.86/16,652.54 = 6,761.66/x
  3. Step 3: Cross multiply
    12,066.86x = 16,652.54 × 6,761.66
  4. Step 4: Simplify right side
    12,066.86x = 112,598,696.55
  5. Step 5: Solve for x
    x = 112,598,696.55/12,066.86
  6. Step 6: Final answer
    x = 9,331.24

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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.