Home / 10,900.80-16,352.42-4,327.65

Finding the Fourth Proportional to 10,900.80, 16,352.42 and 4,327.65

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Solution

The fourth proportional to 10,900.80, 16,352.42 and 4,327.65 is: 6,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.80 : 16,352.42 = 4,327.65 : x
  2. Step 2: Convert to fraction form
    10,900.80/16,352.42 = 4,327.65/x
  3. Step 3: Cross multiply
    10,900.80x = 16,352.42 × 4,327.65
  4. Step 4: Simplify right side
    10,900.80x = 70,767,528.77
  5. Step 5: Solve for x
    x = 70,767,528.77/10,900.80
  6. Step 6: Final answer
    x = 6,491.96

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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.