Home / 12,260.45-18,376.27-5,672.72

Finding the Fourth Proportional to 12,260.45, 18,376.27 and 5,672.72

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Solution

The fourth proportional to 12,260.45, 18,376.27 and 5,672.72 is: 8,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.45 : 18,376.27 = 5,672.72 : x
  2. Step 2: Convert to fraction form
    12,260.45/18,376.27 = 5,672.72/x
  3. Step 3: Cross multiply
    12,260.45x = 18,376.27 × 5,672.72
  4. Step 4: Simplify right side
    12,260.45x = 104,243,434.35
  5. Step 5: Solve for x
    x = 104,243,434.35/12,260.45
  6. Step 6: Final answer
    x = 8,502.42

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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.