Home / 13,235.55-18,265.10-7,267.61

Finding the Fourth Proportional to 13,235.55, 18,265.10 and 7,267.61

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Solution

The fourth proportional to 13,235.55, 18,265.10 and 7,267.61 is: 10,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.55 : 18,265.10 = 7,267.61 : x
  2. Step 2: Convert to fraction form
    13,235.55/18,265.10 = 7,267.61/x
  3. Step 3: Cross multiply
    13,235.55x = 18,265.10 × 7,267.61
  4. Step 4: Simplify right side
    13,235.55x = 132,743,495.75
  5. Step 5: Solve for x
    x = 132,743,495.75/13,235.55
  6. Step 6: Final answer
    x = 10,029.31

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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.