Home / 12,275.41-18,412.58-3,955.24

Finding the Fourth Proportional to 12,275.41, 18,412.58 and 3,955.24

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Solution

The fourth proportional to 12,275.41, 18,412.58 and 3,955.24 is: 5,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.41 : 18,412.58 = 3,955.24 : x
  2. Step 2: Convert to fraction form
    12,275.41/18,412.58 = 3,955.24/x
  3. Step 3: Cross multiply
    12,275.41x = 18,412.58 × 3,955.24
  4. Step 4: Simplify right side
    12,275.41x = 72,826,172.92
  5. Step 5: Solve for x
    x = 72,826,172.92/12,275.41
  6. Step 6: Final answer
    x = 5,932.69

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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.