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Finding the Fourth Proportional to 18,545, 25,591.94 and 10,046.93

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Solution

The fourth proportional to 18,545, 25,591.94 and 10,046.93 is: 13,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545 : 25,591.94 = 10,046.93 : x
  2. Step 2: Convert to fraction form
    18,545/25,591.94 = 10,046.93/x
  3. Step 3: Cross multiply
    18,545x = 25,591.94 × 10,046.93
  4. Step 4: Simplify right side
    18,545x = 257,120,429.74
  5. Step 5: Solve for x
    x = 257,120,429.74/18,545
  6. Step 6: Final answer
    x = 13,864.68

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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.