Home / 10,986.88-16,486.80-4,066.24

Finding the Fourth Proportional to 10,986.88, 16,486.80 and 4,066.24

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Solution

The fourth proportional to 10,986.88, 16,486.80 and 4,066.24 is: 6,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.88 : 16,486.80 = 4,066.24 : x
  2. Step 2: Convert to fraction form
    10,986.88/16,486.80 = 4,066.24/x
  3. Step 3: Cross multiply
    10,986.88x = 16,486.80 × 4,066.24
  4. Step 4: Simplify right side
    10,986.88x = 67,039,285.63
  5. Step 5: Solve for x
    x = 67,039,285.63/10,986.88
  6. Step 6: Final answer
    x = 6,101.76

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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.