Home / 18,219.33-25,112.43-14,435.82

Finding the Fourth Proportional to 18,219.33, 25,112.43 and 14,435.82

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Solution

The fourth proportional to 18,219.33, 25,112.43 and 14,435.82 is: 19,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.33 : 25,112.43 = 14,435.82 : x
  2. Step 2: Convert to fraction form
    18,219.33/25,112.43 = 14,435.82/x
  3. Step 3: Cross multiply
    18,219.33x = 25,112.43 × 14,435.82
  4. Step 4: Simplify right side
    18,219.33x = 362,518,519.24
  5. Step 5: Solve for x
    x = 362,518,519.24/18,219.33
  6. Step 6: Final answer
    x = 19,897.47

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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.