Home / 14,648.75-21,973.14-3,555.39

Finding the Fourth Proportional to 14,648.75, 21,973.14 and 3,555.39

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Solution

The fourth proportional to 14,648.75, 21,973.14 and 3,555.39 is: 5,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.75 : 21,973.14 = 3,555.39 : x
  2. Step 2: Convert to fraction form
    14,648.75/21,973.14 = 3,555.39/x
  3. Step 3: Cross multiply
    14,648.75x = 21,973.14 × 3,555.39
  4. Step 4: Simplify right side
    14,648.75x = 78,123,082.22
  5. Step 5: Solve for x
    x = 78,123,082.22/14,648.75
  6. Step 6: Final answer
    x = 5,333.09

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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.