Home / 14,617.26-20,156.24-11,781.65

Finding the Fourth Proportional to 14,617.26, 20,156.24 and 11,781.65

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Solution

The fourth proportional to 14,617.26, 20,156.24 and 11,781.65 is: 16,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.26 : 20,156.24 = 11,781.65 : x
  2. Step 2: Convert to fraction form
    14,617.26/20,156.24 = 11,781.65/x
  3. Step 3: Cross multiply
    14,617.26x = 20,156.24 × 11,781.65
  4. Step 4: Simplify right side
    14,617.26x = 237,473,844.84
  5. Step 5: Solve for x
    x = 237,473,844.84/14,617.26
  6. Step 6: Final answer
    x = 16,246.13

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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.