Home / 20,526.72-30,801.96-11,167.68

Finding the Fourth Proportional to 20,526.72, 30,801.96 and 11,167.68

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Solution

The fourth proportional to 20,526.72, 30,801.96 and 11,167.68 is: 16,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.72 : 30,801.96 = 11,167.68 : x
  2. Step 2: Convert to fraction form
    20,526.72/30,801.96 = 11,167.68/x
  3. Step 3: Cross multiply
    20,526.72x = 30,801.96 × 11,167.68
  4. Step 4: Simplify right side
    20,526.72x = 343,986,432.65
  5. Step 5: Solve for x
    x = 343,986,432.65/20,526.72
  6. Step 6: Final answer
    x = 16,757.98

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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.