Home / 13,258.94-18,296.99-7,208.98

Finding the Fourth Proportional to 13,258.94, 18,296.99 and 7,208.98

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Solution

The fourth proportional to 13,258.94, 18,296.99 and 7,208.98 is: 9,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.94 : 18,296.99 = 7,208.98 : x
  2. Step 2: Convert to fraction form
    13,258.94/18,296.99 = 7,208.98/x
  3. Step 3: Cross multiply
    13,258.94x = 18,296.99 × 7,208.98
  4. Step 4: Simplify right side
    13,258.94x = 131,902,634.97
  5. Step 5: Solve for x
    x = 131,902,634.97/13,258.94
  6. Step 6: Final answer
    x = 9,948.20

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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.