Home / 14,195.15-19,588.58-8,228.69

Finding the Fourth Proportional to 14,195.15, 19,588.58 and 8,228.69

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Solution

The fourth proportional to 14,195.15, 19,588.58 and 8,228.69 is: 11,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.15 : 19,588.58 = 8,228.69 : x
  2. Step 2: Convert to fraction form
    14,195.15/19,588.58 = 8,228.69/x
  3. Step 3: Cross multiply
    14,195.15x = 19,588.58 × 8,228.69
  4. Step 4: Simplify right side
    14,195.15x = 161,188,254.42
  5. Step 5: Solve for x
    x = 161,188,254.42/14,195.15
  6. Step 6: Final answer
    x = 11,355.17

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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.