Home / 14,228.46-19,635.27-7,855.05

Finding the Fourth Proportional to 14,228.46, 19,635.27 and 7,855.05

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Solution

The fourth proportional to 14,228.46, 19,635.27 and 7,855.05 is: 10,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.46 : 19,635.27 = 7,855.05 : x
  2. Step 2: Convert to fraction form
    14,228.46/19,635.27 = 7,855.05/x
  3. Step 3: Cross multiply
    14,228.46x = 19,635.27 × 7,855.05
  4. Step 4: Simplify right side
    14,228.46x = 154,236,027.61
  5. Step 5: Solve for x
    x = 154,236,027.61/14,228.46
  6. Step 6: Final answer
    x = 10,839.97

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1.5x scale

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.