Home / 14,511.56-21,774.62-10,821.20

Finding the Fourth Proportional to 14,511.56, 21,774.62 and 10,821.20

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Solution

The fourth proportional to 14,511.56, 21,774.62 and 10,821.20 is: 16,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.56 : 21,774.62 = 10,821.20 : x
  2. Step 2: Convert to fraction form
    14,511.56/21,774.62 = 10,821.20/x
  3. Step 3: Cross multiply
    14,511.56x = 21,774.62 × 10,821.20
  4. Step 4: Simplify right side
    14,511.56x = 235,627,436.12
  5. Step 5: Solve for x
    x = 235,627,436.12/14,511.56
  6. Step 6: Final answer
    x = 16,237.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.