Home / 10,711.48-16,066.76-2,920.29

Finding the Fourth Proportional to 10,711.48, 16,066.76 and 2,920.29

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Solution

The fourth proportional to 10,711.48, 16,066.76 and 2,920.29 is: 4,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.48 : 16,066.76 = 2,920.29 : x
  2. Step 2: Convert to fraction form
    10,711.48/16,066.76 = 2,920.29/x
  3. Step 3: Cross multiply
    10,711.48x = 16,066.76 × 2,920.29
  4. Step 4: Simplify right side
    10,711.48x = 46,919,583.96
  5. Step 5: Solve for x
    x = 46,919,583.96/10,711.48
  6. Step 6: Final answer
    x = 4,380.31

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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.