Home / 14,928.32-20,600.26-8,212.86

Finding the Fourth Proportional to 14,928.32, 20,600.26 and 8,212.86

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Solution

The fourth proportional to 14,928.32, 20,600.26 and 8,212.86 is: 11,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.32 : 20,600.26 = 8,212.86 : x
  2. Step 2: Convert to fraction form
    14,928.32/20,600.26 = 8,212.86/x
  3. Step 3: Cross multiply
    14,928.32x = 20,600.26 × 8,212.86
  4. Step 4: Simplify right side
    14,928.32x = 169,187,051.34
  5. Step 5: Solve for x
    x = 169,187,051.34/14,928.32
  6. Step 6: Final answer
    x = 11,333.29

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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.