Home / 13,885.08-20,830.01-4,522.44

Finding the Fourth Proportional to 13,885.08, 20,830.01 and 4,522.44

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Solution

The fourth proportional to 13,885.08, 20,830.01 and 4,522.44 is: 6,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.08 : 20,830.01 = 4,522.44 : x
  2. Step 2: Convert to fraction form
    13,885.08/20,830.01 = 4,522.44/x
  3. Step 3: Cross multiply
    13,885.08x = 20,830.01 × 4,522.44
  4. Step 4: Simplify right side
    13,885.08x = 94,202,447.81
  5. Step 5: Solve for x
    x = 94,202,447.81/13,885.08
  6. Step 6: Final answer
    x = 6,784.44

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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.