Home / 20,114.02-27,758.60-11,617.71

Finding the Fourth Proportional to 20,114.02, 27,758.60 and 11,617.71

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Solution

The fourth proportional to 20,114.02, 27,758.60 and 11,617.71 is: 16,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.02 : 27,758.60 = 11,617.71 : x
  2. Step 2: Convert to fraction form
    20,114.02/27,758.60 = 11,617.71/x
  3. Step 3: Cross multiply
    20,114.02x = 27,758.60 × 11,617.71
  4. Step 4: Simplify right side
    20,114.02x = 322,491,364.81
  5. Step 5: Solve for x
    x = 322,491,364.81/20,114.02
  6. Step 6: Final answer
    x = 16,033.16

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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.