Home / 13,924.82-19,215.44-7,637.19

Finding the Fourth Proportional to 13,924.82, 19,215.44 and 7,637.19

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Solution

The fourth proportional to 13,924.82, 19,215.44 and 7,637.19 is: 10,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.82 : 19,215.44 = 7,637.19 : x
  2. Step 2: Convert to fraction form
    13,924.82/19,215.44 = 7,637.19/x
  3. Step 3: Cross multiply
    13,924.82x = 19,215.44 × 7,637.19
  4. Step 4: Simplify right side
    13,924.82x = 146,751,966.21
  5. Step 5: Solve for x
    x = 146,751,966.21/13,924.82
  6. Step 6: Final answer
    x = 10,538.88

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Double scale
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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.