Home / 10,989.88-16,486.98-4,064.44

Finding the Fourth Proportional to 10,989.88, 16,486.98 and 4,064.44

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Solution

The fourth proportional to 10,989.88, 16,486.98 and 4,064.44 is: 6,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.88 : 16,486.98 = 4,064.44 : x
  2. Step 2: Convert to fraction form
    10,989.88/16,486.98 = 4,064.44/x
  3. Step 3: Cross multiply
    10,989.88x = 16,486.98 × 4,064.44
  4. Step 4: Simplify right side
    10,989.88x = 67,010,340.99
  5. Step 5: Solve for x
    x = 67,010,340.99/10,989.88
  6. Step 6: Final answer
    x = 6,097.46

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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.