Home / 10,213.02-15,317.78-2,816.24

Finding the Fourth Proportional to 10,213.02, 15,317.78 and 2,816.24

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Solution

The fourth proportional to 10,213.02, 15,317.78 and 2,816.24 is: 4,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.02 : 15,317.78 = 2,816.24 : x
  2. Step 2: Convert to fraction form
    10,213.02/15,317.78 = 2,816.24/x
  3. Step 3: Cross multiply
    10,213.02x = 15,317.78 × 2,816.24
  4. Step 4: Simplify right side
    10,213.02x = 43,138,454.08
  5. Step 5: Solve for x
    x = 43,138,454.08/10,213.02
  6. Step 6: Final answer
    x = 4,223.87

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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.