Home / 13,234.15-18,263.40-7,265.80

Finding the Fourth Proportional to 13,234.15, 18,263.40 and 7,265.80

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Solution

The fourth proportional to 13,234.15, 18,263.40 and 7,265.80 is: 10,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.15 : 18,263.40 = 7,265.80 : x
  2. Step 2: Convert to fraction form
    13,234.15/18,263.40 = 7,265.80/x
  3. Step 3: Cross multiply
    13,234.15x = 18,263.40 × 7,265.80
  4. Step 4: Simplify right side
    13,234.15x = 132,698,120.40
  5. Step 5: Solve for x
    x = 132,698,120.40/13,234.15
  6. Step 6: Final answer
    x = 10,026.95

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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.