Home / 14,967.54-20,662.29-8,677.62

Finding the Fourth Proportional to 14,967.54, 20,662.29 and 8,677.62

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Solution

The fourth proportional to 14,967.54, 20,662.29 and 8,677.62 is: 11,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.54 : 20,662.29 = 8,677.62 : x
  2. Step 2: Convert to fraction form
    14,967.54/20,662.29 = 8,677.62/x
  3. Step 3: Cross multiply
    14,967.54x = 20,662.29 × 8,677.62
  4. Step 4: Simplify right side
    14,967.54x = 179,299,500.95
  5. Step 5: Solve for x
    x = 179,299,500.95/14,967.54
  6. Step 6: Final answer
    x = 11,979.22

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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.