Home / 18,284.45-25,232.52-9,900.95

Finding the Fourth Proportional to 18,284.45, 25,232.52 and 9,900.95

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Solution

The fourth proportional to 18,284.45, 25,232.52 and 9,900.95 is: 13,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.45 : 25,232.52 = 9,900.95 : x
  2. Step 2: Convert to fraction form
    18,284.45/25,232.52 = 9,900.95/x
  3. Step 3: Cross multiply
    18,284.45x = 25,232.52 × 9,900.95
  4. Step 4: Simplify right side
    18,284.45x = 249,825,792.73
  5. Step 5: Solve for x
    x = 249,825,792.73/18,284.45
  6. Step 6: Final answer
    x = 13,663.30

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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.