Home / 13,265.24-18,305.46-7,296.28

Finding the Fourth Proportional to 13,265.24, 18,305.46 and 7,296.28

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Solution

The fourth proportional to 13,265.24, 18,305.46 and 7,296.28 is: 10,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.24 : 18,305.46 = 7,296.28 : x
  2. Step 2: Convert to fraction form
    13,265.24/18,305.46 = 7,296.28/x
  3. Step 3: Cross multiply
    13,265.24x = 18,305.46 × 7,296.28
  4. Step 4: Simplify right side
    13,265.24x = 133,561,715.93
  5. Step 5: Solve for x
    x = 133,561,715.93/13,265.24
  6. Step 6: Final answer
    x = 10,068.55

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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.