Home / 14,511.82-21,756.72-7,484.26

Finding the Fourth Proportional to 14,511.82, 21,756.72 and 7,484.26

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Solution

The fourth proportional to 14,511.82, 21,756.72 and 7,484.26 is: 11,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.82 : 21,756.72 = 7,484.26 : x
  2. Step 2: Convert to fraction form
    14,511.82/21,756.72 = 7,484.26/x
  3. Step 3: Cross multiply
    14,511.82x = 21,756.72 × 7,484.26
  4. Step 4: Simplify right side
    14,511.82x = 162,832,949.23
  5. Step 5: Solve for x
    x = 162,832,949.23/14,511.82
  6. Step 6: Final answer
    x = 11,220.71

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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.