Home / 18,431.35-27,646.62-5,283.83

Finding the Fourth Proportional to 18,431.35, 27,646.62 and 5,283.83

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Solution

The fourth proportional to 18,431.35, 27,646.62 and 5,283.83 is: 7,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.35 : 27,646.62 = 5,283.83 : x
  2. Step 2: Convert to fraction form
    18,431.35/27,646.62 = 5,283.83/x
  3. Step 3: Cross multiply
    18,431.35x = 27,646.62 × 5,283.83
  4. Step 4: Simplify right side
    18,431.35x = 146,080,089.46
  5. Step 5: Solve for x
    x = 146,080,089.46/18,431.35
  6. Step 6: Final answer
    x = 7,925.63

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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.