Home / 13,258.45-18,296.31-7,208.50

Finding the Fourth Proportional to 13,258.45, 18,296.31 and 7,208.50

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Solution

The fourth proportional to 13,258.45, 18,296.31 and 7,208.50 is: 9,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.45 : 18,296.31 = 7,208.50 : x
  2. Step 2: Convert to fraction form
    13,258.45/18,296.31 = 7,208.50/x
  3. Step 3: Cross multiply
    13,258.45x = 18,296.31 × 7,208.50
  4. Step 4: Simplify right side
    13,258.45x = 131,888,950.64
  5. Step 5: Solve for x
    x = 131,888,950.64/13,258.45
  6. Step 6: Final answer
    x = 9,947.54

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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.