Home / 21,848.36-30,161.04-14,786.24

Finding the Fourth Proportional to 21,848.36, 30,161.04 and 14,786.24

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Solution

The fourth proportional to 21,848.36, 30,161.04 and 14,786.24 is: 20,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848.36 : 30,161.04 = 14,786.24 : x
  2. Step 2: Convert to fraction form
    21,848.36/30,161.04 = 14,786.24/x
  3. Step 3: Cross multiply
    21,848.36x = 30,161.04 × 14,786.24
  4. Step 4: Simplify right side
    21,848.36x = 445,968,376.09
  5. Step 5: Solve for x
    x = 445,968,376.09/21,848.36
  6. Step 6: Final answer
    x = 20,411.98

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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.