Home / 13,899.84-19,181.70-7,612.26

Finding the Fourth Proportional to 13,899.84, 19,181.70 and 7,612.26

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Solution

The fourth proportional to 13,899.84, 19,181.70 and 7,612.26 is: 10,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.84 : 19,181.70 = 7,612.26 : x
  2. Step 2: Convert to fraction form
    13,899.84/19,181.70 = 7,612.26/x
  3. Step 3: Cross multiply
    13,899.84x = 19,181.70 × 7,612.26
  4. Step 4: Simplify right side
    13,899.84x = 146,016,087.64
  5. Step 5: Solve for x
    x = 146,016,087.64/13,899.84
  6. Step 6: Final answer
    x = 10,504.88

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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.