Home / 10,292.64-14,209.20-8,049.60

Finding the Fourth Proportional to 10,292.64, 14,209.20 and 8,049.60

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Solution

The fourth proportional to 10,292.64, 14,209.20 and 8,049.60 is: 11,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.64 : 14,209.20 = 8,049.60 : x
  2. Step 2: Convert to fraction form
    10,292.64/14,209.20 = 8,049.60/x
  3. Step 3: Cross multiply
    10,292.64x = 14,209.20 × 8,049.60
  4. Step 4: Simplify right side
    10,292.64x = 114,378,376.32
  5. Step 5: Solve for x
    x = 114,378,376.32/10,292.64
  6. Step 6: Final answer
    x = 11,112.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.