Home / 13,258.25-18,296.84-7,290.37

Finding the Fourth Proportional to 13,258.25, 18,296.84 and 7,290.37

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Solution

The fourth proportional to 13,258.25, 18,296.84 and 7,290.37 is: 10,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.25 : 18,296.84 = 7,290.37 : x
  2. Step 2: Convert to fraction form
    13,258.25/18,296.84 = 7,290.37/x
  3. Step 3: Cross multiply
    13,258.25x = 18,296.84 × 7,290.37
  4. Step 4: Simplify right side
    13,258.25x = 133,390,774.53
  5. Step 5: Solve for x
    x = 133,390,774.53/13,258.25
  6. Step 6: Final answer
    x = 10,060.96

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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.