Home / 13,263.89-18,303.84-7,295.49

Finding the Fourth Proportional to 13,263.89, 18,303.84 and 7,295.49

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Solution

The fourth proportional to 13,263.89, 18,303.84 and 7,295.49 is: 10,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.89 : 18,303.84 = 7,295.49 : x
  2. Step 2: Convert to fraction form
    13,263.89/18,303.84 = 7,295.49/x
  3. Step 3: Cross multiply
    13,263.89x = 18,303.84 × 7,295.49
  4. Step 4: Simplify right side
    13,263.89x = 133,535,481.68
  5. Step 5: Solve for x
    x = 133,535,481.68/13,263.89
  6. Step 6: Final answer
    x = 10,067.60

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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.