Home / 21,632.54-32,390.18-11,222.42

Finding the Fourth Proportional to 21,632.54, 32,390.18 and 11,222.42

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Solution

The fourth proportional to 21,632.54, 32,390.18 and 11,222.42 is: 16,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.54 : 32,390.18 = 11,222.42 : x
  2. Step 2: Convert to fraction form
    21,632.54/32,390.18 = 11,222.42/x
  3. Step 3: Cross multiply
    21,632.54x = 32,390.18 × 11,222.42
  4. Step 4: Simplify right side
    21,632.54x = 363,496,203.84
  5. Step 5: Solve for x
    x = 363,496,203.84/21,632.54
  6. Step 6: Final answer
    x = 16,803.21

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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.