Home / 14,664.88-20,218.50-9,350.47

Finding the Fourth Proportional to 14,664.88, 20,218.50 and 9,350.47

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Solution

The fourth proportional to 14,664.88, 20,218.50 and 9,350.47 is: 12,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.88 : 20,218.50 = 9,350.47 : x
  2. Step 2: Convert to fraction form
    14,664.88/20,218.50 = 9,350.47/x
  3. Step 3: Cross multiply
    14,664.88x = 20,218.50 × 9,350.47
  4. Step 4: Simplify right side
    14,664.88x = 189,052,477.70
  5. Step 5: Solve for x
    x = 189,052,477.70/14,664.88
  6. Step 6: Final answer
    x = 12,891.51

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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.