Home / 9,563.52-13,207.68-7,813.92

Finding the Fourth Proportional to 9,563.52, 13,207.68 and 7,813.92

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Solution

The fourth proportional to 9,563.52, 13,207.68 and 7,813.92 is: 10,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.52 : 13,207.68 = 7,813.92 : x
  2. Step 2: Convert to fraction form
    9,563.52/13,207.68 = 7,813.92/x
  3. Step 3: Cross multiply
    9,563.52x = 13,207.68 × 7,813.92
  4. Step 4: Simplify right side
    9,563.52x = 103,203,754.91
  5. Step 5: Solve for x
    x = 103,203,754.91/9,563.52
  6. Step 6: Final answer
    x = 10,791.40

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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.