Home / 19,531.36-29,298.41-7,844.58

Finding the Fourth Proportional to 19,531.36, 29,298.41 and 7,844.58

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Solution

The fourth proportional to 19,531.36, 29,298.41 and 7,844.58 is: 11,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.36 : 29,298.41 = 7,844.58 : x
  2. Step 2: Convert to fraction form
    19,531.36/29,298.41 = 7,844.58/x
  3. Step 3: Cross multiply
    19,531.36x = 29,298.41 × 7,844.58
  4. Step 4: Simplify right side
    19,531.36x = 229,833,721.12
  5. Step 5: Solve for x
    x = 229,833,721.12/19,531.36
  6. Step 6: Final answer
    x = 11,767.42

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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.