Home / 17,899.98-24,702.03-9,942.78

Finding the Fourth Proportional to 17,899.98, 24,702.03 and 9,942.78

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Solution

The fourth proportional to 17,899.98, 24,702.03 and 9,942.78 is: 13,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.98 : 24,702.03 = 9,942.78 : x
  2. Step 2: Convert to fraction form
    17,899.98/24,702.03 = 9,942.78/x
  3. Step 3: Cross multiply
    17,899.98x = 24,702.03 × 9,942.78
  4. Step 4: Simplify right side
    17,899.98x = 245,606,849.84
  5. Step 5: Solve for x
    x = 245,606,849.84/17,899.98
  6. Step 6: Final answer
    x = 13,721.07

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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.