Home / 19,898.25-27,462.23-12,845.17

Finding the Fourth Proportional to 19,898.25, 27,462.23 and 12,845.17

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Solution

The fourth proportional to 19,898.25, 27,462.23 and 12,845.17 is: 17,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.25 : 27,462.23 = 12,845.17 : x
  2. Step 2: Convert to fraction form
    19,898.25/27,462.23 = 12,845.17/x
  3. Step 3: Cross multiply
    19,898.25x = 27,462.23 × 12,845.17
  4. Step 4: Simplify right side
    19,898.25x = 352,757,012.93
  5. Step 5: Solve for x
    x = 352,757,012.93/19,898.25
  6. Step 6: Final answer
    x = 17,728.04

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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.