Home / 13,734.18-18,951.40-8,951.94

Finding the Fourth Proportional to 13,734.18, 18,951.40 and 8,951.94

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Solution

The fourth proportional to 13,734.18, 18,951.40 and 8,951.94 is: 12,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.18 : 18,951.40 = 8,951.94 : x
  2. Step 2: Convert to fraction form
    13,734.18/18,951.40 = 8,951.94/x
  3. Step 3: Cross multiply
    13,734.18x = 18,951.40 × 8,951.94
  4. Step 4: Simplify right side
    13,734.18x = 169,651,795.72
  5. Step 5: Solve for x
    x = 169,651,795.72/13,734.18
  6. Step 6: Final answer
    x = 12,352.52

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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.