Home / 12,030.12-16,600.86-6,723.90

Finding the Fourth Proportional to 12,030.12, 16,600.86 and 6,723.90

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Solution

The fourth proportional to 12,030.12, 16,600.86 and 6,723.90 is: 9,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.12 : 16,600.86 = 6,723.90 : x
  2. Step 2: Convert to fraction form
    12,030.12/16,600.86 = 6,723.90/x
  3. Step 3: Cross multiply
    12,030.12x = 16,600.86 × 6,723.90
  4. Step 4: Simplify right side
    12,030.12x = 111,622,522.55
  5. Step 5: Solve for x
    x = 111,622,522.55/12,030.12
  6. Step 6: Final answer
    x = 9,278.59

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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.