Home / 9,528.26-13,148.81-5,279.61

Finding the Fourth Proportional to 9,528.26, 13,148.81 and 5,279.61

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Solution

The fourth proportional to 9,528.26, 13,148.81 and 5,279.61 is: 7,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.26 : 13,148.81 = 5,279.61 : x
  2. Step 2: Convert to fraction form
    9,528.26/13,148.81 = 5,279.61/x
  3. Step 3: Cross multiply
    9,528.26x = 13,148.81 × 5,279.61
  4. Step 4: Simplify right side
    9,528.26x = 69,420,588.76
  5. Step 5: Solve for x
    x = 69,420,588.76/9,528.26
  6. Step 6: Final answer
    x = 7,285.76

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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.