Home / 14,649.05-21,967.01-8,728.73

Finding the Fourth Proportional to 14,649.05, 21,967.01 and 8,728.73

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Solution

The fourth proportional to 14,649.05, 21,967.01 and 8,728.73 is: 13,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.05 : 21,967.01 = 8,728.73 : x
  2. Step 2: Convert to fraction form
    14,649.05/21,967.01 = 8,728.73/x
  3. Step 3: Cross multiply
    14,649.05x = 21,967.01 × 8,728.73
  4. Step 4: Simplify right side
    14,649.05x = 191,743,945.72
  5. Step 5: Solve for x
    x = 191,743,945.72/14,649.05
  6. Step 6: Final answer
    x = 13,089.18

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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.