Home / 10,857.60-16,287.56-3,460.32

Finding the Fourth Proportional to 10,857.60, 16,287.56 and 3,460.32

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Solution

The fourth proportional to 10,857.60, 16,287.56 and 3,460.32 is: 5,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.60 : 16,287.56 = 3,460.32 : x
  2. Step 2: Convert to fraction form
    10,857.60/16,287.56 = 3,460.32/x
  3. Step 3: Cross multiply
    10,857.60x = 16,287.56 × 3,460.32
  4. Step 4: Simplify right side
    10,857.60x = 56,360,169.62
  5. Step 5: Solve for x
    x = 56,360,169.62/10,857.60
  6. Step 6: Final answer
    x = 5,190.85

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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.