Home / 10,711.35-16,066.57-2,920.16

Finding the Fourth Proportional to 10,711.35, 16,066.57 and 2,920.16

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Solution

The fourth proportional to 10,711.35, 16,066.57 and 2,920.16 is: 4,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.35 : 16,066.57 = 2,920.16 : x
  2. Step 2: Convert to fraction form
    10,711.35/16,066.57 = 2,920.16/x
  3. Step 3: Cross multiply
    10,711.35x = 16,066.57 × 2,920.16
  4. Step 4: Simplify right side
    10,711.35x = 46,916,955.05
  5. Step 5: Solve for x
    x = 46,916,955.05/10,711.35
  6. Step 6: Final answer
    x = 4,380.12

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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.