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Finding the Fourth Proportional to 12,506, 18,759 and 4,298

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Solution

The fourth proportional to 12,506, 18,759 and 4,298 is: 6,447

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506 : 18,759 = 4,298 : x
  2. Step 2: Convert to fraction form
    12,506/18,759 = 4,298/x
  3. Step 3: Cross multiply
    12,506x = 18,759 × 4,298
  4. Step 4: Simplify right side
    12,506x = 80,626,182
  5. Step 5: Solve for x
    x = 80,626,182/12,506
  6. Step 6: Final answer
    x = 6,447

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.