Home / 21,463.62-32,143.44-10,905.84

Finding the Fourth Proportional to 21,463.62, 32,143.44 and 10,905.84

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Solution

The fourth proportional to 21,463.62, 32,143.44 and 10,905.84 is: 16,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.62 : 32,143.44 = 10,905.84 : x
  2. Step 2: Convert to fraction form
    21,463.62/32,143.44 = 10,905.84/x
  3. Step 3: Cross multiply
    21,463.62x = 32,143.44 × 10,905.84
  4. Step 4: Simplify right side
    21,463.62x = 350,551,213.69
  5. Step 5: Solve for x
    x = 350,551,213.69/21,463.62
  6. Step 6: Final answer
    x = 16,332.34

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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.