Home / 13,214.88-18,233.54-8,966.52

Finding the Fourth Proportional to 13,214.88, 18,233.54 and 8,966.52

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Solution

The fourth proportional to 13,214.88, 18,233.54 and 8,966.52 is: 12,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.88 : 18,233.54 = 8,966.52 : x
  2. Step 2: Convert to fraction form
    13,214.88/18,233.54 = 8,966.52/x
  3. Step 3: Cross multiply
    13,214.88x = 18,233.54 × 8,966.52
  4. Step 4: Simplify right side
    13,214.88x = 163,491,401.08
  5. Step 5: Solve for x
    x = 163,491,401.08/13,214.88
  6. Step 6: Final answer
    x = 12,371.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.