Home / 14,867.34-20,517-8,579.73

Finding the Fourth Proportional to 14,867.34, 20,517 and 8,579.73

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Solution

The fourth proportional to 14,867.34, 20,517 and 8,579.73 is: 11,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.34 : 20,517 = 8,579.73 : x
  2. Step 2: Convert to fraction form
    14,867.34/20,517 = 8,579.73/x
  3. Step 3: Cross multiply
    14,867.34x = 20,517 × 8,579.73
  4. Step 4: Simplify right side
    14,867.34x = 176,030,320.41
  5. Step 5: Solve for x
    x = 176,030,320.41/14,867.34
  6. Step 6: Final answer
    x = 11,840.07

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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.