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Finding the Fourth Proportional to 15,026.99, 22,540.49 and 5,786.51

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Solution

The fourth proportional to 15,026.99, 22,540.49 and 5,786.51 is: 8,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.99 : 22,540.49 = 5,786.51 : x
  2. Step 2: Convert to fraction form
    15,026.99/22,540.49 = 5,786.51/x
  3. Step 3: Cross multiply
    15,026.99x = 22,540.49 × 5,786.51
  4. Step 4: Simplify right side
    15,026.99x = 130,430,741.86
  5. Step 5: Solve for x
    x = 130,430,741.86/15,026.99
  6. Step 6: Final answer
    x = 8,679.77

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Double scale
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Similar ratio
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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.