Home / 13,246.20-18,277.20-7,941.60

Finding the Fourth Proportional to 13,246.20, 18,277.20 and 7,941.60

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Solution

The fourth proportional to 13,246.20, 18,277.20 and 7,941.60 is: 10,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.20 : 18,277.20 = 7,941.60 : x
  2. Step 2: Convert to fraction form
    13,246.20/18,277.20 = 7,941.60/x
  3. Step 3: Cross multiply
    13,246.20x = 18,277.20 × 7,941.60
  4. Step 4: Simplify right side
    13,246.20x = 145,150,211.52
  5. Step 5: Solve for x
    x = 145,150,211.52/13,246.20
  6. Step 6: Final answer
    x = 10,957.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.