Home / 13,736.90-20,605.33-4,969.76

Finding the Fourth Proportional to 13,736.90, 20,605.33 and 4,969.76

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Solution

The fourth proportional to 13,736.90, 20,605.33 and 4,969.76 is: 7,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.90 : 20,605.33 = 4,969.76 : x
  2. Step 2: Convert to fraction form
    13,736.90/20,605.33 = 4,969.76/x
  3. Step 3: Cross multiply
    13,736.90x = 20,605.33 × 4,969.76
  4. Step 4: Simplify right side
    13,736.90x = 102,403,544.82
  5. Step 5: Solve for x
    x = 102,403,544.82/13,736.90
  6. Step 6: Final answer
    x = 7,454.63

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1.5x scale

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.