Home / 10,599.20-15,898.96-2,808.20

Finding the Fourth Proportional to 10,599.20, 15,898.96 and 2,808.20

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Solution

The fourth proportional to 10,599.20, 15,898.96 and 2,808.20 is: 4,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.20 : 15,898.96 = 2,808.20 : x
  2. Step 2: Convert to fraction form
    10,599.20/15,898.96 = 2,808.20/x
  3. Step 3: Cross multiply
    10,599.20x = 15,898.96 × 2,808.20
  4. Step 4: Simplify right side
    10,599.20x = 44,647,459.47
  5. Step 5: Solve for x
    x = 44,647,459.47/10,599.20
  6. Step 6: Final answer
    x = 4,212.34

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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.