Home / 21,451.86-32,185.49-9,604.67

Finding the Fourth Proportional to 21,451.86, 32,185.49 and 9,604.67

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Solution

The fourth proportional to 21,451.86, 32,185.49 and 9,604.67 is: 14,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.86 : 32,185.49 = 9,604.67 : x
  2. Step 2: Convert to fraction form
    21,451.86/32,185.49 = 9,604.67/x
  3. Step 3: Cross multiply
    21,451.86x = 32,185.49 × 9,604.67
  4. Step 4: Simplify right side
    21,451.86x = 309,130,801.29
  5. Step 5: Solve for x
    x = 309,130,801.29/21,451.86
  6. Step 6: Final answer
    x = 14,410.44

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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.