Home / 14,039.33-21,040.82-5,709.67

Finding the Fourth Proportional to 14,039.33, 21,040.82 and 5,709.67

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Solution

The fourth proportional to 14,039.33, 21,040.82 and 5,709.67 is: 8,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.33 : 21,040.82 = 5,709.67 : x
  2. Step 2: Convert to fraction form
    14,039.33/21,040.82 = 5,709.67/x
  3. Step 3: Cross multiply
    14,039.33x = 21,040.82 × 5,709.67
  4. Step 4: Simplify right side
    14,039.33x = 120,136,097.03
  5. Step 5: Solve for x
    x = 120,136,097.03/14,039.33
  6. Step 6: Final answer
    x = 8,557.11

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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.