Home / 18,263.32-25,203.36-9,879.82

Finding the Fourth Proportional to 18,263.32, 25,203.36 and 9,879.82

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Solution

The fourth proportional to 18,263.32, 25,203.36 and 9,879.82 is: 13,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.32 : 25,203.36 = 9,879.82 : x
  2. Step 2: Convert to fraction form
    18,263.32/25,203.36 = 9,879.82/x
  3. Step 3: Cross multiply
    18,263.32x = 25,203.36 × 9,879.82
  4. Step 4: Simplify right side
    18,263.32x = 249,004,660.20
  5. Step 5: Solve for x
    x = 249,004,660.20/18,263.32
  6. Step 6: Final answer
    x = 13,634.14

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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.