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Finding the Fourth Proportional to 17,896.91, 24,698.67 and 9,938.93

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Solution

The fourth proportional to 17,896.91, 24,698.67 and 9,938.93 is: 13,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.91 : 24,698.67 = 9,938.93 : x
  2. Step 2: Convert to fraction form
    17,896.91/24,698.67 = 9,938.93/x
  3. Step 3: Cross multiply
    17,896.91x = 24,698.67 × 9,938.93
  4. Step 4: Simplify right side
    17,896.91x = 245,478,352.22
  5. Step 5: Solve for x
    x = 245,478,352.22/17,896.91
  6. Step 6: Final answer
    x = 13,716.24

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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.