Home / 21,895.44-30,215.74-12,464

Finding the Fourth Proportional to 21,895.44, 30,215.74 and 12,464

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Solution

The fourth proportional to 21,895.44, 30,215.74 and 12,464 is: 17,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.44 : 30,215.74 = 12,464 : x
  2. Step 2: Convert to fraction form
    21,895.44/30,215.74 = 12,464/x
  3. Step 3: Cross multiply
    21,895.44x = 30,215.74 × 12,464
  4. Step 4: Simplify right side
    21,895.44x = 376,608,983.36
  5. Step 5: Solve for x
    x = 376,608,983.36/21,895.44
  6. Step 6: Final answer
    x = 17,200.34

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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.