Home / 14,468.28-19,966.60-8,180.66

Finding the Fourth Proportional to 14,468.28, 19,966.60 and 8,180.66

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Solution

The fourth proportional to 14,468.28, 19,966.60 and 8,180.66 is: 11,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.28 : 19,966.60 = 8,180.66 : x
  2. Step 2: Convert to fraction form
    14,468.28/19,966.60 = 8,180.66/x
  3. Step 3: Cross multiply
    14,468.28x = 19,966.60 × 8,180.66
  4. Step 4: Simplify right side
    14,468.28x = 163,339,965.96
  5. Step 5: Solve for x
    x = 163,339,965.96/14,468.28
  6. Step 6: Final answer
    x = 11,289.52

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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.