Home / 11,300.39-15,592.50-6,519.21

Finding the Fourth Proportional to 11,300.39, 15,592.50 and 6,519.21

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Solution

The fourth proportional to 11,300.39, 15,592.50 and 6,519.21 is: 8,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.39 : 15,592.50 = 6,519.21 : x
  2. Step 2: Convert to fraction form
    11,300.39/15,592.50 = 6,519.21/x
  3. Step 3: Cross multiply
    11,300.39x = 15,592.50 × 6,519.21
  4. Step 4: Simplify right side
    11,300.39x = 101,650,781.93
  5. Step 5: Solve for x
    x = 101,650,781.93/11,300.39
  6. Step 6: Final answer
    x = 8,995.33

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Double scale
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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.