Home / 21,914.07-32,872.92-9,434.40

Finding the Fourth Proportional to 21,914.07, 32,872.92 and 9,434.40

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Solution

The fourth proportional to 21,914.07, 32,872.92 and 9,434.40 is: 14,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.07 : 32,872.92 = 9,434.40 : x
  2. Step 2: Convert to fraction form
    21,914.07/32,872.92 = 9,434.40/x
  3. Step 3: Cross multiply
    21,914.07x = 32,872.92 × 9,434.40
  4. Step 4: Simplify right side
    21,914.07x = 310,136,276.45
  5. Step 5: Solve for x
    x = 310,136,276.45/21,914.07
  6. Step 6: Final answer
    x = 14,152.38

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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.