Home / 15,906.69-21,935.91-10,243.08

Finding the Fourth Proportional to 15,906.69, 21,935.91 and 10,243.08

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Solution

The fourth proportional to 15,906.69, 21,935.91 and 10,243.08 is: 14,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.69 : 21,935.91 = 10,243.08 : x
  2. Step 2: Convert to fraction form
    15,906.69/21,935.91 = 10,243.08/x
  3. Step 3: Cross multiply
    15,906.69x = 21,935.91 × 10,243.08
  4. Step 4: Simplify right side
    15,906.69x = 224,691,281.00
  5. Step 5: Solve for x
    x = 224,691,281.00/15,906.69
  6. Step 6: Final answer
    x = 14,125.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.