Home / 13,265.21-18,305.60-7,296.87

Finding the Fourth Proportional to 13,265.21, 18,305.60 and 7,296.87

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Solution

The fourth proportional to 13,265.21, 18,305.60 and 7,296.87 is: 10,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.21 : 18,305.60 = 7,296.87 : x
  2. Step 2: Convert to fraction form
    13,265.21/18,305.60 = 7,296.87/x
  3. Step 3: Cross multiply
    13,265.21x = 18,305.60 × 7,296.87
  4. Step 4: Simplify right side
    13,265.21x = 133,573,583.47
  5. Step 5: Solve for x
    x = 133,573,583.47/13,265.21
  6. Step 6: Final answer
    x = 10,069.47

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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.