Home / 21,895.95-30,216.44-12,464.50

Finding the Fourth Proportional to 21,895.95, 30,216.44 and 12,464.50

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Solution

The fourth proportional to 21,895.95, 30,216.44 and 12,464.50 is: 17,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.95 : 30,216.44 = 12,464.50 : x
  2. Step 2: Convert to fraction form
    21,895.95/30,216.44 = 12,464.50/x
  3. Step 3: Cross multiply
    21,895.95x = 30,216.44 × 12,464.50
  4. Step 4: Simplify right side
    21,895.95x = 376,632,816.38
  5. Step 5: Solve for x
    x = 376,632,816.38/21,895.95
  6. Step 6: Final answer
    x = 17,201.03

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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.