Home / 14,318.83-21,477.39-8,512.39

Finding the Fourth Proportional to 14,318.83, 21,477.39 and 8,512.39

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Solution

The fourth proportional to 14,318.83, 21,477.39 and 8,512.39 is: 12,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.83 : 21,477.39 = 8,512.39 : x
  2. Step 2: Convert to fraction form
    14,318.83/21,477.39 = 8,512.39/x
  3. Step 3: Cross multiply
    14,318.83x = 21,477.39 × 8,512.39
  4. Step 4: Simplify right side
    14,318.83x = 182,823,919.86
  5. Step 5: Solve for x
    x = 182,823,919.86/14,318.83
  6. Step 6: Final answer
    x = 12,768.08

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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.