Home / 12,277.46-18,417.87-3,954.71

Finding the Fourth Proportional to 12,277.46, 18,417.87 and 3,954.71

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Solution

The fourth proportional to 12,277.46, 18,417.87 and 3,954.71 is: 5,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.46 : 18,417.87 = 3,954.71 : x
  2. Step 2: Convert to fraction form
    12,277.46/18,417.87 = 3,954.71/x
  3. Step 3: Cross multiply
    12,277.46x = 18,417.87 × 3,954.71
  4. Step 4: Simplify right side
    12,277.46x = 72,837,242.58
  5. Step 5: Solve for x
    x = 72,837,242.58/12,277.46
  6. Step 6: Final answer
    x = 5,932.60

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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.