Home / 19,238.70-28,856.60-6,758.84

Finding the Fourth Proportional to 19,238.70, 28,856.60 and 6,758.84

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Solution

The fourth proportional to 19,238.70, 28,856.60 and 6,758.84 is: 10,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.70 : 28,856.60 = 6,758.84 : x
  2. Step 2: Convert to fraction form
    19,238.70/28,856.60 = 6,758.84/x
  3. Step 3: Cross multiply
    19,238.70x = 28,856.60 × 6,758.84
  4. Step 4: Simplify right side
    19,238.70x = 195,036,964.27
  5. Step 5: Solve for x
    x = 195,036,964.27/19,238.70
  6. Step 6: Final answer
    x = 10,137.74

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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.