Home / 10,216.53-15,320.79-3,975.71

Finding the Fourth Proportional to 10,216.53, 15,320.79 and 3,975.71

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Solution

The fourth proportional to 10,216.53, 15,320.79 and 3,975.71 is: 5,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.53 : 15,320.79 = 3,975.71 : x
  2. Step 2: Convert to fraction form
    10,216.53/15,320.79 = 3,975.71/x
  3. Step 3: Cross multiply
    10,216.53x = 15,320.79 × 3,975.71
  4. Step 4: Simplify right side
    10,216.53x = 60,910,998.13
  5. Step 5: Solve for x
    x = 60,910,998.13/10,216.53
  6. Step 6: Final answer
    x = 5,962.01

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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.