Home / 10,955.79-16,431.93-3,934.62

Finding the Fourth Proportional to 10,955.79, 16,431.93 and 3,934.62

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Solution

The fourth proportional to 10,955.79, 16,431.93 and 3,934.62 is: 5,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.79 : 16,431.93 = 3,934.62 : x
  2. Step 2: Convert to fraction form
    10,955.79/16,431.93 = 3,934.62/x
  3. Step 3: Cross multiply
    10,955.79x = 16,431.93 × 3,934.62
  4. Step 4: Simplify right side
    10,955.79x = 64,653,400.42
  5. Step 5: Solve for x
    x = 64,653,400.42/10,955.79
  6. Step 6: Final answer
    x = 5,901.30

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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.