Home / 10,782.11-16,163.55-4,206.77

Finding the Fourth Proportional to 10,782.11, 16,163.55 and 4,206.77

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Solution

The fourth proportional to 10,782.11, 16,163.55 and 4,206.77 is: 6,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.11 : 16,163.55 = 4,206.77 : x
  2. Step 2: Convert to fraction form
    10,782.11/16,163.55 = 4,206.77/x
  3. Step 3: Cross multiply
    10,782.11x = 16,163.55 × 4,206.77
  4. Step 4: Simplify right side
    10,782.11x = 67,996,317.03
  5. Step 5: Solve for x
    x = 67,996,317.03/10,782.11
  6. Step 6: Final answer
    x = 6,306.40

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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.