Home / 21,884.25-30,204.75-14,237.08

Finding the Fourth Proportional to 21,884.25, 30,204.75 and 14,237.08

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Solution

The fourth proportional to 21,884.25, 30,204.75 and 14,237.08 is: 19,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.25 : 30,204.75 = 14,237.08 : x
  2. Step 2: Convert to fraction form
    21,884.25/30,204.75 = 14,237.08/x
  3. Step 3: Cross multiply
    21,884.25x = 30,204.75 × 14,237.08
  4. Step 4: Simplify right side
    21,884.25x = 430,027,442.13
  5. Step 5: Solve for x
    x = 430,027,442.13/21,884.25
  6. Step 6: Final answer
    x = 19,650.09

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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.