Home / 9,342.78-14,015.58-3,338.40

Finding the Fourth Proportional to 9,342.78, 14,015.58 and 3,338.40

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Solution

The fourth proportional to 9,342.78, 14,015.58 and 3,338.40 is: 5,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.78 : 14,015.58 = 3,338.40 : x
  2. Step 2: Convert to fraction form
    9,342.78/14,015.58 = 3,338.40/x
  3. Step 3: Cross multiply
    9,342.78x = 14,015.58 × 3,338.40
  4. Step 4: Simplify right side
    9,342.78x = 46,789,612.27
  5. Step 5: Solve for x
    x = 46,789,612.27/9,342.78
  6. Step 6: Final answer
    x = 5,008.10

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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.