Home / 9,555.26-13,185.81-5,306.59

Finding the Fourth Proportional to 9,555.26, 13,185.81 and 5,306.59

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Solution

The fourth proportional to 9,555.26, 13,185.81 and 5,306.59 is: 7,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.26 : 13,185.81 = 5,306.59 : x
  2. Step 2: Convert to fraction form
    9,555.26/13,185.81 = 5,306.59/x
  3. Step 3: Cross multiply
    9,555.26x = 13,185.81 × 5,306.59
  4. Step 4: Simplify right side
    9,555.26x = 69,971,687.49
  5. Step 5: Solve for x
    x = 69,971,687.49/9,555.26
  6. Step 6: Final answer
    x = 7,322.85

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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.