Home / 10,713.80-16,068.60-2,920.76

Finding the Fourth Proportional to 10,713.80, 16,068.60 and 2,920.76

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Solution

The fourth proportional to 10,713.80, 16,068.60 and 2,920.76 is: 4,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.80 : 16,068.60 = 2,920.76 : x
  2. Step 2: Convert to fraction form
    10,713.80/16,068.60 = 2,920.76/x
  3. Step 3: Cross multiply
    10,713.80x = 16,068.60 × 2,920.76
  4. Step 4: Simplify right side
    10,713.80x = 46,932,524.14
  5. Step 5: Solve for x
    x = 46,932,524.14/10,713.80
  6. Step 6: Final answer
    x = 4,380.57

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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.