Home / 18,821.12-25,972.26-10,437.44

Finding the Fourth Proportional to 18,821.12, 25,972.26 and 10,437.44

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Solution

The fourth proportional to 18,821.12, 25,972.26 and 10,437.44 is: 14,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.12 : 25,972.26 = 10,437.44 : x
  2. Step 2: Convert to fraction form
    18,821.12/25,972.26 = 10,437.44/x
  3. Step 3: Cross multiply
    18,821.12x = 25,972.26 × 10,437.44
  4. Step 4: Simplify right side
    18,821.12x = 271,083,905.41
  5. Step 5: Solve for x
    x = 271,083,905.41/18,821.12
  6. Step 6: Final answer
    x = 14,403.18

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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.