Home / 14,286.42-19,715.04-7,998.66

Finding the Fourth Proportional to 14,286.42, 19,715.04 and 7,998.66

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Solution

The fourth proportional to 14,286.42, 19,715.04 and 7,998.66 is: 11,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.42 : 19,715.04 = 7,998.66 : x
  2. Step 2: Convert to fraction form
    14,286.42/19,715.04 = 7,998.66/x
  3. Step 3: Cross multiply
    14,286.42x = 19,715.04 × 7,998.66
  4. Step 4: Simplify right side
    14,286.42x = 157,693,901.85
  5. Step 5: Solve for x
    x = 157,693,901.85/14,286.42
  6. Step 6: Final answer
    x = 11,038.03

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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.