Home / 9,489.80-14,221.33-4,486.84

Finding the Fourth Proportional to 9,489.80, 14,221.33 and 4,486.84

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Solution

The fourth proportional to 9,489.80, 14,221.33 and 4,486.84 is: 6,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.80 : 14,221.33 = 4,486.84 : x
  2. Step 2: Convert to fraction form
    9,489.80/14,221.33 = 4,486.84/x
  3. Step 3: Cross multiply
    9,489.80x = 14,221.33 × 4,486.84
  4. Step 4: Simplify right side
    9,489.80x = 63,808,785.53
  5. Step 5: Solve for x
    x = 63,808,785.53/9,489.80
  6. Step 6: Final answer
    x = 6,723.93

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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.