Home / 14,664.94-20,232.75-8,290.72

Finding the Fourth Proportional to 14,664.94, 20,232.75 and 8,290.72

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Solution

The fourth proportional to 14,664.94, 20,232.75 and 8,290.72 is: 11,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.94 : 20,232.75 = 8,290.72 : x
  2. Step 2: Convert to fraction form
    14,664.94/20,232.75 = 8,290.72/x
  3. Step 3: Cross multiply
    14,664.94x = 20,232.75 × 8,290.72
  4. Step 4: Simplify right side
    14,664.94x = 167,744,065.08
  5. Step 5: Solve for x
    x = 167,744,065.08/14,664.94
  6. Step 6: Final answer
    x = 11,438.44

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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.