Home / 10,261.60-15,392.40-3,336.80

Finding the Fourth Proportional to 10,261.60, 15,392.40 and 3,336.80

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Solution

The fourth proportional to 10,261.60, 15,392.40 and 3,336.80 is: 5,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.60 : 15,392.40 = 3,336.80 : x
  2. Step 2: Convert to fraction form
    10,261.60/15,392.40 = 3,336.80/x
  3. Step 3: Cross multiply
    10,261.60x = 15,392.40 × 3,336.80
  4. Step 4: Simplify right side
    10,261.60x = 51,361,360.32
  5. Step 5: Solve for x
    x = 51,361,360.32/10,261.60
  6. Step 6: Final answer
    x = 5,005.20

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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.