Home / 18,283.83-25,231.71-9,900.33

Finding the Fourth Proportional to 18,283.83, 25,231.71 and 9,900.33

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Solution

The fourth proportional to 18,283.83, 25,231.71 and 9,900.33 is: 13,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.83 : 25,231.71 = 9,900.33 : x
  2. Step 2: Convert to fraction form
    18,283.83/25,231.71 = 9,900.33/x
  3. Step 3: Cross multiply
    18,283.83x = 25,231.71 × 9,900.33
  4. Step 4: Simplify right side
    18,283.83x = 249,802,255.46
  5. Step 5: Solve for x
    x = 249,802,255.46/18,283.83
  6. Step 6: Final answer
    x = 13,662.47

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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.