Home / 15,758.72-21,754.22-11,224.32

Finding the Fourth Proportional to 15,758.72, 21,754.22 and 11,224.32

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Solution

The fourth proportional to 15,758.72, 21,754.22 and 11,224.32 is: 15,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.72 : 21,754.22 = 11,224.32 : x
  2. Step 2: Convert to fraction form
    15,758.72/21,754.22 = 11,224.32/x
  3. Step 3: Cross multiply
    15,758.72x = 21,754.22 × 11,224.32
  4. Step 4: Simplify right side
    15,758.72x = 244,176,326.63
  5. Step 5: Solve for x
    x = 244,176,326.63/15,758.72
  6. Step 6: Final answer
    x = 15,494.68

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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.