Home / 15,940.43-23,786.10-14,280.13

Finding the Fourth Proportional to 15,940.43, 23,786.10 and 14,280.13

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Solution

The fourth proportional to 15,940.43, 23,786.10 and 14,280.13 is: 21,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.43 : 23,786.10 = 14,280.13 : x
  2. Step 2: Convert to fraction form
    15,940.43/23,786.10 = 14,280.13/x
  3. Step 3: Cross multiply
    15,940.43x = 23,786.10 × 14,280.13
  4. Step 4: Simplify right side
    15,940.43x = 339,668,589.76
  5. Step 5: Solve for x
    x = 339,668,589.76/15,940.43
  6. Step 6: Final answer
    x = 21,308.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.