Home / 11,049.40-16,574.10-6,664.60

Finding the Fourth Proportional to 11,049.40, 16,574.10 and 6,664.60

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Solution

The fourth proportional to 11,049.40, 16,574.10 and 6,664.60 is: 9,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.40 : 16,574.10 = 6,664.60 : x
  2. Step 2: Convert to fraction form
    11,049.40/16,574.10 = 6,664.60/x
  3. Step 3: Cross multiply
    11,049.40x = 16,574.10 × 6,664.60
  4. Step 4: Simplify right side
    11,049.40x = 110,459,746.86
  5. Step 5: Solve for x
    x = 110,459,746.86/11,049.40
  6. Step 6: Final answer
    x = 9,996.90

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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.