Home / 12,252.36-18,372.78-8,558.76

Finding the Fourth Proportional to 12,252.36, 18,372.78 and 8,558.76

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Solution

The fourth proportional to 12,252.36, 18,372.78 and 8,558.76 is: 12,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.36 : 18,372.78 = 8,558.76 : x
  2. Step 2: Convert to fraction form
    12,252.36/18,372.78 = 8,558.76/x
  3. Step 3: Cross multiply
    12,252.36x = 18,372.78 × 8,558.76
  4. Step 4: Simplify right side
    12,252.36x = 157,248,214.55
  5. Step 5: Solve for x
    x = 157,248,214.55/12,252.36
  6. Step 6: Final answer
    x = 12,834.12

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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.