Home / 11,372.49-17,030.25-7,199.91

Finding the Fourth Proportional to 11,372.49, 17,030.25 and 7,199.91

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Solution

The fourth proportional to 11,372.49, 17,030.25 and 7,199.91 is: 10,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.49 : 17,030.25 = 7,199.91 : x
  2. Step 2: Convert to fraction form
    11,372.49/17,030.25 = 7,199.91/x
  3. Step 3: Cross multiply
    11,372.49x = 17,030.25 × 7,199.91
  4. Step 4: Simplify right side
    11,372.49x = 122,616,267.28
  5. Step 5: Solve for x
    x = 122,616,267.28/11,372.49
  6. Step 6: Final answer
    x = 10,781.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.