Home / 18,338.25-25,307.33-9,955.29

Finding the Fourth Proportional to 18,338.25, 25,307.33 and 9,955.29

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Solution

The fourth proportional to 18,338.25, 25,307.33 and 9,955.29 is: 13,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.25 : 25,307.33 = 9,955.29 : x
  2. Step 2: Convert to fraction form
    18,338.25/25,307.33 = 9,955.29/x
  3. Step 3: Cross multiply
    18,338.25x = 25,307.33 × 9,955.29
  4. Step 4: Simplify right side
    18,338.25x = 251,941,759.50
  5. Step 5: Solve for x
    x = 251,941,759.50/18,338.25
  6. Step 6: Final answer
    x = 13,738.59

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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.