Home / 12,736.16-19,109.88-4,945.56

Finding the Fourth Proportional to 12,736.16, 19,109.88 and 4,945.56

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Solution

The fourth proportional to 12,736.16, 19,109.88 and 4,945.56 is: 7,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.16 : 19,109.88 = 4,945.56 : x
  2. Step 2: Convert to fraction form
    12,736.16/19,109.88 = 4,945.56/x
  3. Step 3: Cross multiply
    12,736.16x = 19,109.88 × 4,945.56
  4. Step 4: Simplify right side
    12,736.16x = 94,509,058.13
  5. Step 5: Solve for x
    x = 94,509,058.13/12,736.16
  6. Step 6: Final answer
    x = 7,420.53

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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.