Home / 13,346.84-20,027.39-8,665.74

Finding the Fourth Proportional to 13,346.84, 20,027.39 and 8,665.74

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Solution

The fourth proportional to 13,346.84, 20,027.39 and 8,665.74 is: 13,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.84 : 20,027.39 = 8,665.74 : x
  2. Step 2: Convert to fraction form
    13,346.84/20,027.39 = 8,665.74/x
  3. Step 3: Cross multiply
    13,346.84x = 20,027.39 × 8,665.74
  4. Step 4: Simplify right side
    13,346.84x = 173,552,154.62
  5. Step 5: Solve for x
    x = 173,552,154.62/13,346.84
  6. Step 6: Final answer
    x = 13,003.24

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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.