Home / 16,720.65-23,074.53-9,167.28

Finding the Fourth Proportional to 16,720.65, 23,074.53 and 9,167.28

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Solution

The fourth proportional to 16,720.65, 23,074.53 and 9,167.28 is: 12,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.65 : 23,074.53 = 9,167.28 : x
  2. Step 2: Convert to fraction form
    16,720.65/23,074.53 = 9,167.28/x
  3. Step 3: Cross multiply
    16,720.65x = 23,074.53 × 9,167.28
  4. Step 4: Simplify right side
    16,720.65x = 211,530,677.38
  5. Step 5: Solve for x
    x = 211,530,677.38/16,720.65
  6. Step 6: Final answer
    x = 12,650.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.