Home / 13,352.86-20,000.10-6,767.74

Finding the Fourth Proportional to 13,352.86, 20,000.10 and 6,767.74

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Solution

The fourth proportional to 13,352.86, 20,000.10 and 6,767.74 is: 10,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.86 : 20,000.10 = 6,767.74 : x
  2. Step 2: Convert to fraction form
    13,352.86/20,000.10 = 6,767.74/x
  3. Step 3: Cross multiply
    13,352.86x = 20,000.10 × 6,767.74
  4. Step 4: Simplify right side
    13,352.86x = 135,355,476.77
  5. Step 5: Solve for x
    x = 135,355,476.77/13,352.86
  6. Step 6: Final answer
    x = 10,136.82

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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.