Home / 10,844.40-16,230.60-7,874.40

Finding the Fourth Proportional to 10,844.40, 16,230.60 and 7,874.40

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Solution

The fourth proportional to 10,844.40, 16,230.60 and 7,874.40 is: 11,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.40 : 16,230.60 = 7,874.40 : x
  2. Step 2: Convert to fraction form
    10,844.40/16,230.60 = 7,874.40/x
  3. Step 3: Cross multiply
    10,844.40x = 16,230.60 × 7,874.40
  4. Step 4: Simplify right side
    10,844.40x = 127,806,236.64
  5. Step 5: Solve for x
    x = 127,806,236.64/10,844.40
  6. Step 6: Final answer
    x = 11,785.46

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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.