Home / 13,623.84-20,438.64-4,396.32

Finding the Fourth Proportional to 13,623.84, 20,438.64 and 4,396.32

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Solution

The fourth proportional to 13,623.84, 20,438.64 and 4,396.32 is: 6,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.84 : 20,438.64 = 4,396.32 : x
  2. Step 2: Convert to fraction form
    13,623.84/20,438.64 = 4,396.32/x
  3. Step 3: Cross multiply
    13,623.84x = 20,438.64 × 4,396.32
  4. Step 4: Simplify right side
    13,623.84x = 89,854,801.80
  5. Step 5: Solve for x
    x = 89,854,801.80/13,623.84
  6. Step 6: Final answer
    x = 6,595.41

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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.