Home / 19,743.64-27,247.85-11,248.42

Finding the Fourth Proportional to 19,743.64, 27,247.85 and 11,248.42

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Solution

The fourth proportional to 19,743.64, 27,247.85 and 11,248.42 is: 15,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.64 : 27,247.85 = 11,248.42 : x
  2. Step 2: Convert to fraction form
    19,743.64/27,247.85 = 11,248.42/x
  3. Step 3: Cross multiply
    19,743.64x = 27,247.85 × 11,248.42
  4. Step 4: Simplify right side
    19,743.64x = 306,495,260.90
  5. Step 5: Solve for x
    x = 306,495,260.90/19,743.64
  6. Step 6: Final answer
    x = 15,523.75

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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.