Home / 15,027.11-20,738.96-8,653.91

Finding the Fourth Proportional to 15,027.11, 20,738.96 and 8,653.91

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Solution

The fourth proportional to 15,027.11, 20,738.96 and 8,653.91 is: 11,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.11 : 20,738.96 = 8,653.91 : x
  2. Step 2: Convert to fraction form
    15,027.11/20,738.96 = 8,653.91/x
  3. Step 3: Cross multiply
    15,027.11x = 20,738.96 × 8,653.91
  4. Step 4: Simplify right side
    15,027.11x = 179,472,946.37
  5. Step 5: Solve for x
    x = 179,472,946.37/15,027.11
  6. Step 6: Final answer
    x = 11,943.28

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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.