Home / 21,848.44-30,146.97-12,415.18

Finding the Fourth Proportional to 21,848.44, 30,146.97 and 12,415.18

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Solution

The fourth proportional to 21,848.44, 30,146.97 and 12,415.18 is: 17,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848.44 : 30,146.97 = 12,415.18 : x
  2. Step 2: Convert to fraction form
    21,848.44/30,146.97 = 12,415.18/x
  3. Step 3: Cross multiply
    21,848.44x = 30,146.97 × 12,415.18
  4. Step 4: Simplify right side
    21,848.44x = 374,280,059.00
  5. Step 5: Solve for x
    x = 374,280,059.00/21,848.44
  6. Step 6: Final answer
    x = 17,130.75

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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.