Home / 18,267.62-25,209.21-9,883.94

Finding the Fourth Proportional to 18,267.62, 25,209.21 and 9,883.94

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Solution

The fourth proportional to 18,267.62, 25,209.21 and 9,883.94 is: 13,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.62 : 25,209.21 = 9,883.94 : x
  2. Step 2: Convert to fraction form
    18,267.62/25,209.21 = 9,883.94/x
  3. Step 3: Cross multiply
    18,267.62x = 25,209.21 × 9,883.94
  4. Step 4: Simplify right side
    18,267.62x = 249,166,319.09
  5. Step 5: Solve for x
    x = 249,166,319.09/18,267.62
  6. Step 6: Final answer
    x = 13,639.78

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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.