Home / 10,607.32-15,911.39-2,816.20

Finding the Fourth Proportional to 10,607.32, 15,911.39 and 2,816.20

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Solution

The fourth proportional to 10,607.32, 15,911.39 and 2,816.20 is: 4,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.32 : 15,911.39 = 2,816.20 : x
  2. Step 2: Convert to fraction form
    10,607.32/15,911.39 = 2,816.20/x
  3. Step 3: Cross multiply
    10,607.32x = 15,911.39 × 2,816.20
  4. Step 4: Simplify right side
    10,607.32x = 44,809,656.52
  5. Step 5: Solve for x
    x = 44,809,656.52/10,607.32
  6. Step 6: Final answer
    x = 4,224.41

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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.