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Finding the Fourth Proportional to 17,318, 23,911.65 and 10,612.79

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Solution

The fourth proportional to 17,318, 23,911.65 and 10,612.79 is: 14,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318 : 23,911.65 = 10,612.79 : x
  2. Step 2: Convert to fraction form
    17,318/23,911.65 = 10,612.79/x
  3. Step 3: Cross multiply
    17,318x = 23,911.65 × 10,612.79
  4. Step 4: Simplify right side
    17,318x = 253,769,320.00
  5. Step 5: Solve for x
    x = 253,769,320.00/17,318
  6. Step 6: Final answer
    x = 14,653.50

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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.