Home / 13,237.55-18,267.86-7,269.61

Finding the Fourth Proportional to 13,237.55, 18,267.86 and 7,269.61

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Solution

The fourth proportional to 13,237.55, 18,267.86 and 7,269.61 is: 10,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.55 : 18,267.86 = 7,269.61 : x
  2. Step 2: Convert to fraction form
    13,237.55/18,267.86 = 7,269.61/x
  3. Step 3: Cross multiply
    13,237.55x = 18,267.86 × 7,269.61
  4. Step 4: Simplify right side
    13,237.55x = 132,800,217.73
  5. Step 5: Solve for x
    x = 132,800,217.73/13,237.55
  6. Step 6: Final answer
    x = 10,032.08

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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.