Home / 20,746.44-28,630.26-11,314.98

Finding the Fourth Proportional to 20,746.44, 28,630.26 and 11,314.98

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Solution

The fourth proportional to 20,746.44, 28,630.26 and 11,314.98 is: 15,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.44 : 28,630.26 = 11,314.98 : x
  2. Step 2: Convert to fraction form
    20,746.44/28,630.26 = 11,314.98/x
  3. Step 3: Cross multiply
    20,746.44x = 28,630.26 × 11,314.98
  4. Step 4: Simplify right side
    20,746.44x = 323,950,819.29
  5. Step 5: Solve for x
    x = 323,950,819.29/20,746.44
  6. Step 6: Final answer
    x = 15,614.77

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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.