Home / 13,980.66-19,293.31-7,693.03

Finding the Fourth Proportional to 13,980.66, 19,293.31 and 7,693.03

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Solution

The fourth proportional to 13,980.66, 19,293.31 and 7,693.03 is: 10,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.66 : 19,293.31 = 7,693.03 : x
  2. Step 2: Convert to fraction form
    13,980.66/19,293.31 = 7,693.03/x
  3. Step 3: Cross multiply
    13,980.66x = 19,293.31 × 7,693.03
  4. Step 4: Simplify right side
    13,980.66x = 148,424,003.09
  5. Step 5: Solve for x
    x = 148,424,003.09/13,980.66
  6. Step 6: Final answer
    x = 10,616.38

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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.