Home / 12,723.60-19,087.30-6,803.58

Finding the Fourth Proportional to 12,723.60, 19,087.30 and 6,803.58

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Solution

The fourth proportional to 12,723.60, 19,087.30 and 6,803.58 is: 10,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.60 : 19,087.30 = 6,803.58 : x
  2. Step 2: Convert to fraction form
    12,723.60/19,087.30 = 6,803.58/x
  3. Step 3: Cross multiply
    12,723.60x = 19,087.30 × 6,803.58
  4. Step 4: Simplify right side
    12,723.60x = 129,861,972.53
  5. Step 5: Solve for x
    x = 129,861,972.53/12,723.60
  6. Step 6: Final answer
    x = 10,206.39

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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.