Home / 11,458.92-15,813.30-6,423.18

Finding the Fourth Proportional to 11,458.92, 15,813.30 and 6,423.18

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Solution

The fourth proportional to 11,458.92, 15,813.30 and 6,423.18 is: 8,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.92 : 15,813.30 = 6,423.18 : x
  2. Step 2: Convert to fraction form
    11,458.92/15,813.30 = 6,423.18/x
  3. Step 3: Cross multiply
    11,458.92x = 15,813.30 × 6,423.18
  4. Step 4: Simplify right side
    11,458.92x = 101,571,672.29
  5. Step 5: Solve for x
    x = 101,571,672.29/11,458.92
  6. Step 6: Final answer
    x = 8,863.98

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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.