Home / 12,741.36-19,119.32-4,949.16

Finding the Fourth Proportional to 12,741.36, 19,119.32 and 4,949.16

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Solution

The fourth proportional to 12,741.36, 19,119.32 and 4,949.16 is: 7,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.36 : 19,119.32 = 4,949.16 : x
  2. Step 2: Convert to fraction form
    12,741.36/19,119.32 = 4,949.16/x
  3. Step 3: Cross multiply
    12,741.36x = 19,119.32 × 4,949.16
  4. Step 4: Simplify right side
    12,741.36x = 94,624,573.77
  5. Step 5: Solve for x
    x = 94,624,573.77/12,741.36
  6. Step 6: Final answer
    x = 7,426.57

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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.