Home / 12,476.04-18,716.40-4,156.56

Finding the Fourth Proportional to 12,476.04, 18,716.40 and 4,156.56

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Solution

The fourth proportional to 12,476.04, 18,716.40 and 4,156.56 is: 6,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.04 : 18,716.40 = 4,156.56 : x
  2. Step 2: Convert to fraction form
    12,476.04/18,716.40 = 4,156.56/x
  3. Step 3: Cross multiply
    12,476.04x = 18,716.40 × 4,156.56
  4. Step 4: Simplify right side
    12,476.04x = 77,795,839.58
  5. Step 5: Solve for x
    x = 77,795,839.58/12,476.04
  6. Step 6: Final answer
    x = 6,235.62

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1.5x scale

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.