Home / 12,518.04-18,728.46-8,610.60

Finding the Fourth Proportional to 12,518.04, 18,728.46 and 8,610.60

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Solution

The fourth proportional to 12,518.04, 18,728.46 and 8,610.60 is: 12,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.04 : 18,728.46 = 8,610.60 : x
  2. Step 2: Convert to fraction form
    12,518.04/18,728.46 = 8,610.60/x
  3. Step 3: Cross multiply
    12,518.04x = 18,728.46 × 8,610.60
  4. Step 4: Simplify right side
    12,518.04x = 161,263,277.68
  5. Step 5: Solve for x
    x = 161,263,277.68/12,518.04
  6. Step 6: Final answer
    x = 12,882.47

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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.