Home / 14,620.35-20,162.84-9,582.75

Finding the Fourth Proportional to 14,620.35, 20,162.84 and 9,582.75

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Solution

The fourth proportional to 14,620.35, 20,162.84 and 9,582.75 is: 13,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.35 : 20,162.84 = 9,582.75 : x
  2. Step 2: Convert to fraction form
    14,620.35/20,162.84 = 9,582.75/x
  3. Step 3: Cross multiply
    14,620.35x = 20,162.84 × 9,582.75
  4. Step 4: Simplify right side
    14,620.35x = 193,215,407.10
  5. Step 5: Solve for x
    x = 193,215,407.10/14,620.35
  6. Step 6: Final answer
    x = 13,215.51

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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.