Home / 18,895.42-28,333.81-6,410.89

Finding the Fourth Proportional to 18,895.42, 28,333.81 and 6,410.89

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Solution

The fourth proportional to 18,895.42, 28,333.81 and 6,410.89 is: 9,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.42 : 28,333.81 = 6,410.89 : x
  2. Step 2: Convert to fraction form
    18,895.42/28,333.81 = 6,410.89/x
  3. Step 3: Cross multiply
    18,895.42x = 28,333.81 × 6,410.89
  4. Step 4: Simplify right side
    18,895.42x = 181,644,939.19
  5. Step 5: Solve for x
    x = 181,644,939.19/18,895.42
  6. Step 6: Final answer
    x = 9,613.17

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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.