Home / 20,327.65-30,480.08-6,283.66

Finding the Fourth Proportional to 20,327.65, 30,480.08 and 6,283.66

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Solution

The fourth proportional to 20,327.65, 30,480.08 and 6,283.66 is: 9,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.65 : 30,480.08 = 6,283.66 : x
  2. Step 2: Convert to fraction form
    20,327.65/30,480.08 = 6,283.66/x
  3. Step 3: Cross multiply
    20,327.65x = 30,480.08 × 6,283.66
  4. Step 4: Simplify right side
    20,327.65x = 191,526,459.49
  5. Step 5: Solve for x
    x = 191,526,459.49/20,327.65
  6. Step 6: Final answer
    x = 9,421.97

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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.