Home / 10,286.23-15,426.16-3,711.57

Finding the Fourth Proportional to 10,286.23, 15,426.16 and 3,711.57

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Solution

The fourth proportional to 10,286.23, 15,426.16 and 3,711.57 is: 5,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.23 : 15,426.16 = 3,711.57 : x
  2. Step 2: Convert to fraction form
    10,286.23/15,426.16 = 3,711.57/x
  3. Step 3: Cross multiply
    10,286.23x = 15,426.16 × 3,711.57
  4. Step 4: Simplify right side
    10,286.23x = 57,255,272.67
  5. Step 5: Solve for x
    x = 57,255,272.67/10,286.23
  6. Step 6: Final answer
    x = 5,566.21

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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.