Home / 14,956.24-20,640.76-8,990.32

Finding the Fourth Proportional to 14,956.24, 20,640.76 and 8,990.32

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Solution

The fourth proportional to 14,956.24, 20,640.76 and 8,990.32 is: 12,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.24 : 20,640.76 = 8,990.32 : x
  2. Step 2: Convert to fraction form
    14,956.24/20,640.76 = 8,990.32/x
  3. Step 3: Cross multiply
    14,956.24x = 20,640.76 × 8,990.32
  4. Step 4: Simplify right side
    14,956.24x = 185,567,037.44
  5. Step 5: Solve for x
    x = 185,567,037.44/14,956.24
  6. Step 6: Final answer
    x = 12,407.33

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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.