Home / 13,367.72-18,441.30-8,653.52

Finding the Fourth Proportional to 13,367.72, 18,441.30 and 8,653.52

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Solution

The fourth proportional to 13,367.72, 18,441.30 and 8,653.52 is: 11,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.72 : 18,441.30 = 8,653.52 : x
  2. Step 2: Convert to fraction form
    13,367.72/18,441.30 = 8,653.52/x
  3. Step 3: Cross multiply
    13,367.72x = 18,441.30 × 8,653.52
  4. Step 4: Simplify right side
    13,367.72x = 159,582,158.38
  5. Step 5: Solve for x
    x = 159,582,158.38/13,367.72
  6. Step 6: Final answer
    x = 11,937.87

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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.