Home / 10,212.80-15,328.20-6,047.60

Finding the Fourth Proportional to 10,212.80, 15,328.20 and 6,047.60

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Solution

The fourth proportional to 10,212.80, 15,328.20 and 6,047.60 is: 9,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.80 : 15,328.20 = 6,047.60 : x
  2. Step 2: Convert to fraction form
    10,212.80/15,328.20 = 6,047.60/x
  3. Step 3: Cross multiply
    10,212.80x = 15,328.20 × 6,047.60
  4. Step 4: Simplify right side
    10,212.80x = 92,698,822.32
  5. Step 5: Solve for x
    x = 92,698,822.32/10,212.80
  6. Step 6: Final answer
    x = 9,076.73

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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.