Home / 9,511.62-13,126.04-5,319.87

Finding the Fourth Proportional to 9,511.62, 13,126.04 and 5,319.87

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Solution

The fourth proportional to 9,511.62, 13,126.04 and 5,319.87 is: 7,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.62 : 13,126.04 = 5,319.87 : x
  2. Step 2: Convert to fraction form
    9,511.62/13,126.04 = 5,319.87/x
  3. Step 3: Cross multiply
    9,511.62x = 13,126.04 × 5,319.87
  4. Step 4: Simplify right side
    9,511.62x = 69,828,799.82
  5. Step 5: Solve for x
    x = 69,828,799.82/9,511.62
  6. Step 6: Final answer
    x = 7,341.42

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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.