Home / 10,829.40-16,244.10-4,252.20

Finding the Fourth Proportional to 10,829.40, 16,244.10 and 4,252.20

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Solution

The fourth proportional to 10,829.40, 16,244.10 and 4,252.20 is: 6,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.40 : 16,244.10 = 4,252.20 : x
  2. Step 2: Convert to fraction form
    10,829.40/16,244.10 = 4,252.20/x
  3. Step 3: Cross multiply
    10,829.40x = 16,244.10 × 4,252.20
  4. Step 4: Simplify right side
    10,829.40x = 69,073,162.02
  5. Step 5: Solve for x
    x = 69,073,162.02/10,829.40
  6. Step 6: Final answer
    x = 6,378.30

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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.