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Finding the Fourth Proportional to 17,858.65, 24,645.11 and 9,901.05

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Solution

The fourth proportional to 17,858.65, 24,645.11 and 9,901.05 is: 13,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.65 : 24,645.11 = 9,901.05 : x
  2. Step 2: Convert to fraction form
    17,858.65/24,645.11 = 9,901.05/x
  3. Step 3: Cross multiply
    17,858.65x = 24,645.11 × 9,901.05
  4. Step 4: Simplify right side
    17,858.65x = 244,012,466.37
  5. Step 5: Solve for x
    x = 244,012,466.37/17,858.65
  6. Step 6: Final answer
    x = 13,663.54

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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.