Home / 16,489.66-22,756.85-9,317.09

Finding the Fourth Proportional to 16,489.66, 22,756.85 and 9,317.09

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Solution

The fourth proportional to 16,489.66, 22,756.85 and 9,317.09 is: 12,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.66 : 22,756.85 = 9,317.09 : x
  2. Step 2: Convert to fraction form
    16,489.66/22,756.85 = 9,317.09/x
  3. Step 3: Cross multiply
    16,489.66x = 22,756.85 × 9,317.09
  4. Step 4: Simplify right side
    16,489.66x = 212,027,619.57
  5. Step 5: Solve for x
    x = 212,027,619.57/16,489.66
  6. Step 6: Final answer
    x = 12,858.22

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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.