Home / 14,469.82-21,717.02-10,320

Finding the Fourth Proportional to 14,469.82, 21,717.02 and 10,320

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Solution

The fourth proportional to 14,469.82, 21,717.02 and 10,320 is: 15,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.82 : 21,717.02 = 10,320 : x
  2. Step 2: Convert to fraction form
    14,469.82/21,717.02 = 10,320/x
  3. Step 3: Cross multiply
    14,469.82x = 21,717.02 × 10,320
  4. Step 4: Simplify right side
    14,469.82x = 224,119,646.40
  5. Step 5: Solve for x
    x = 224,119,646.40/14,469.82
  6. Step 6: Final answer
    x = 15,488.77

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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.