Home / 13,974.63-19,281.44-8,310.60

Finding the Fourth Proportional to 13,974.63, 19,281.44 and 8,310.60

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Solution

The fourth proportional to 13,974.63, 19,281.44 and 8,310.60 is: 11,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.63 : 19,281.44 = 8,310.60 : x
  2. Step 2: Convert to fraction form
    13,974.63/19,281.44 = 8,310.60/x
  3. Step 3: Cross multiply
    13,974.63x = 19,281.44 × 8,310.60
  4. Step 4: Simplify right side
    13,974.63x = 160,240,356.04
  5. Step 5: Solve for x
    x = 160,240,356.04/13,974.63
  6. Step 6: Final answer
    x = 11,466.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.