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Finding the Fourth Proportional to 18,434, 25,439.10 and 10,050.68

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Solution

The fourth proportional to 18,434, 25,439.10 and 10,050.68 is: 13,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434 : 25,439.10 = 10,050.68 : x
  2. Step 2: Convert to fraction form
    18,434/25,439.10 = 10,050.68/x
  3. Step 3: Cross multiply
    18,434x = 25,439.10 × 10,050.68
  4. Step 4: Simplify right side
    18,434x = 255,680,253.59
  5. Step 5: Solve for x
    x = 255,680,253.59/18,434
  6. Step 6: Final answer
    x = 13,870.04

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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.