Home / 12,246.24-18,376.80-4,454.40

Finding the Fourth Proportional to 12,246.24, 18,376.80 and 4,454.40

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Solution

The fourth proportional to 12,246.24, 18,376.80 and 4,454.40 is: 6,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.24 : 18,376.80 = 4,454.40 : x
  2. Step 2: Convert to fraction form
    12,246.24/18,376.80 = 4,454.40/x
  3. Step 3: Cross multiply
    12,246.24x = 18,376.80 × 4,454.40
  4. Step 4: Simplify right side
    12,246.24x = 81,857,617.92
  5. Step 5: Solve for x
    x = 81,857,617.92/12,246.24
  6. Step 6: Final answer
    x = 6,684.31

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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.