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Finding the Fourth Proportional to 17,310, 23,887.80 and 9,859.44

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Solution

The fourth proportional to 17,310, 23,887.80 and 9,859.44 is: 13,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310 : 23,887.80 = 9,859.44 : x
  2. Step 2: Convert to fraction form
    17,310/23,887.80 = 9,859.44/x
  3. Step 3: Cross multiply
    17,310x = 23,887.80 × 9,859.44
  4. Step 4: Simplify right side
    17,310x = 235,520,330.83
  5. Step 5: Solve for x
    x = 235,520,330.83/17,310
  6. Step 6: Final answer
    x = 13,606.03

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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.