Home / 10,391.63-15,582.83-2,994.39

Finding the Fourth Proportional to 10,391.63, 15,582.83 and 2,994.39

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Solution

The fourth proportional to 10,391.63, 15,582.83 and 2,994.39 is: 4,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.63 : 15,582.83 = 2,994.39 : x
  2. Step 2: Convert to fraction form
    10,391.63/15,582.83 = 2,994.39/x
  3. Step 3: Cross multiply
    10,391.63x = 15,582.83 × 2,994.39
  4. Step 4: Simplify right side
    10,391.63x = 46,661,055.35
  5. Step 5: Solve for x
    x = 46,661,055.35/10,391.63
  6. Step 6: Final answer
    x = 4,490.26

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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.