Home / 13,323.72-19,986.45-4,438.67

Finding the Fourth Proportional to 13,323.72, 19,986.45 and 4,438.67

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Solution

The fourth proportional to 13,323.72, 19,986.45 and 4,438.67 is: 6,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.72 : 19,986.45 = 4,438.67 : x
  2. Step 2: Convert to fraction form
    13,323.72/19,986.45 = 4,438.67/x
  3. Step 3: Cross multiply
    13,323.72x = 19,986.45 × 4,438.67
  4. Step 4: Simplify right side
    13,323.72x = 88,713,233.83
  5. Step 5: Solve for x
    x = 88,713,233.83/13,323.72
  6. Step 6: Final answer
    x = 6,658.29

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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.