Home / 10,851.20-16,276.80-4,609.60

Finding the Fourth Proportional to 10,851.20, 16,276.80 and 4,609.60

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Solution

The fourth proportional to 10,851.20, 16,276.80 and 4,609.60 is: 6,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.20 : 16,276.80 = 4,609.60 : x
  2. Step 2: Convert to fraction form
    10,851.20/16,276.80 = 4,609.60/x
  3. Step 3: Cross multiply
    10,851.20x = 16,276.80 × 4,609.60
  4. Step 4: Simplify right side
    10,851.20x = 75,029,537.28
  5. Step 5: Solve for x
    x = 75,029,537.28/10,851.20
  6. Step 6: Final answer
    x = 6,914.40

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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.