Home / 10,206.21-15,315.22-4,282.56

Finding the Fourth Proportional to 10,206.21, 15,315.22 and 4,282.56

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Solution

The fourth proportional to 10,206.21, 15,315.22 and 4,282.56 is: 6,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.21 : 15,315.22 = 4,282.56 : x
  2. Step 2: Convert to fraction form
    10,206.21/15,315.22 = 4,282.56/x
  3. Step 3: Cross multiply
    10,206.21x = 15,315.22 × 4,282.56
  4. Step 4: Simplify right side
    10,206.21x = 65,588,365.44
  5. Step 5: Solve for x
    x = 65,588,365.44/10,206.21
  6. Step 6: Final answer
    x = 6,426.32

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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.