Home / 10,226.56-15,317.36-8,451.45

Finding the Fourth Proportional to 10,226.56, 15,317.36 and 8,451.45

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Solution

The fourth proportional to 10,226.56, 15,317.36 and 8,451.45 is: 12,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.56 : 15,317.36 = 8,451.45 : x
  2. Step 2: Convert to fraction form
    10,226.56/15,317.36 = 8,451.45/x
  3. Step 3: Cross multiply
    10,226.56x = 15,317.36 × 8,451.45
  4. Step 4: Simplify right side
    10,226.56x = 129,453,783.33
  5. Step 5: Solve for x
    x = 129,453,783.33/10,226.56
  6. Step 6: Final answer
    x = 12,658.59

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Double scale
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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.