Home / 12,356.85-18,530.33-4,563.93

Finding the Fourth Proportional to 12,356.85, 18,530.33 and 4,563.93

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Solution

The fourth proportional to 12,356.85, 18,530.33 and 4,563.93 is: 6,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.85 : 18,530.33 = 4,563.93 : x
  2. Step 2: Convert to fraction form
    12,356.85/18,530.33 = 4,563.93/x
  3. Step 3: Cross multiply
    12,356.85x = 18,530.33 × 4,563.93
  4. Step 4: Simplify right side
    12,356.85x = 84,571,106.18
  5. Step 5: Solve for x
    x = 84,571,106.18/12,356.85
  6. Step 6: Final answer
    x = 6,844.07

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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.