Home / 20,491.16-30,737.34-8,010.68

Finding the Fourth Proportional to 20,491.16, 30,737.34 and 8,010.68

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Solution

The fourth proportional to 20,491.16, 30,737.34 and 8,010.68 is: 12,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.16 : 30,737.34 = 8,010.68 : x
  2. Step 2: Convert to fraction form
    20,491.16/30,737.34 = 8,010.68/x
  3. Step 3: Cross multiply
    20,491.16x = 30,737.34 × 8,010.68
  4. Step 4: Simplify right side
    20,491.16x = 246,226,841.10
  5. Step 5: Solve for x
    x = 246,226,841.10/20,491.16
  6. Step 6: Final answer
    x = 12,016.25

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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.