Home / 13,954.28-19,261.96-9,240.08

Finding the Fourth Proportional to 13,954.28, 19,261.96 and 9,240.08

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Solution

The fourth proportional to 13,954.28, 19,261.96 and 9,240.08 is: 12,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.28 : 19,261.96 = 9,240.08 : x
  2. Step 2: Convert to fraction form
    13,954.28/19,261.96 = 9,240.08/x
  3. Step 3: Cross multiply
    13,954.28x = 19,261.96 × 9,240.08
  4. Step 4: Simplify right side
    13,954.28x = 177,982,051.36
  5. Step 5: Solve for x
    x = 177,982,051.36/13,954.28
  6. Step 6: Final answer
    x = 12,754.66

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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.