Home / 20,486.41-30,730.22-8,005.93

Finding the Fourth Proportional to 20,486.41, 30,730.22 and 8,005.93

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Solution

The fourth proportional to 20,486.41, 30,730.22 and 8,005.93 is: 12,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486.41 : 30,730.22 = 8,005.93 : x
  2. Step 2: Convert to fraction form
    20,486.41/30,730.22 = 8,005.93/x
  3. Step 3: Cross multiply
    20,486.41x = 30,730.22 × 8,005.93
  4. Step 4: Simplify right side
    20,486.41x = 246,023,990.20
  5. Step 5: Solve for x
    x = 246,023,990.20/20,486.41
  6. Step 6: Final answer
    x = 12,009.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.