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Finding the Fourth Proportional to 17,310.56, 23,888.67 and 9,858.56

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Solution

The fourth proportional to 17,310.56, 23,888.67 and 9,858.56 is: 13,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.56 : 23,888.67 = 9,858.56 : x
  2. Step 2: Convert to fraction form
    17,310.56/23,888.67 = 9,858.56/x
  3. Step 3: Cross multiply
    17,310.56x = 23,888.67 × 9,858.56
  4. Step 4: Simplify right side
    17,310.56x = 235,507,886.52
  5. Step 5: Solve for x
    x = 235,507,886.52/17,310.56
  6. Step 6: Final answer
    x = 13,604.87

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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.