Home / 13,471.29-18,596.11-8,434.37

Finding the Fourth Proportional to 13,471.29, 18,596.11 and 8,434.37

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Solution

The fourth proportional to 13,471.29, 18,596.11 and 8,434.37 is: 11,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.29 : 18,596.11 = 8,434.37 : x
  2. Step 2: Convert to fraction form
    13,471.29/18,596.11 = 8,434.37/x
  3. Step 3: Cross multiply
    13,471.29x = 18,596.11 × 8,434.37
  4. Step 4: Simplify right side
    13,471.29x = 156,846,472.30
  5. Step 5: Solve for x
    x = 156,846,472.30/13,471.29
  6. Step 6: Final answer
    x = 11,643.02

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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.