Home / 10,766.86-16,157.67-4,193.08

Finding the Fourth Proportional to 10,766.86, 16,157.67 and 4,193.08

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Solution

The fourth proportional to 10,766.86, 16,157.67 and 4,193.08 is: 6,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.86 : 16,157.67 = 4,193.08 : x
  2. Step 2: Convert to fraction form
    10,766.86/16,157.67 = 4,193.08/x
  3. Step 3: Cross multiply
    10,766.86x = 16,157.67 × 4,193.08
  4. Step 4: Simplify right side
    10,766.86x = 67,750,402.92
  5. Step 5: Solve for x
    x = 67,750,402.92/10,766.86
  6. Step 6: Final answer
    x = 6,292.49

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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.