Home / 10,853.20-16,268.60-5,912.40

Finding the Fourth Proportional to 10,853.20, 16,268.60 and 5,912.40

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Solution

The fourth proportional to 10,853.20, 16,268.60 and 5,912.40 is: 8,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.20 : 16,268.60 = 5,912.40 : x
  2. Step 2: Convert to fraction form
    10,853.20/16,268.60 = 5,912.40/x
  3. Step 3: Cross multiply
    10,853.20x = 16,268.60 × 5,912.40
  4. Step 4: Simplify right side
    10,853.20x = 96,186,470.64
  5. Step 5: Solve for x
    x = 96,186,470.64/10,853.20
  6. Step 6: Final answer
    x = 8,862.50

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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.