Home / 13,554.68-20,328.96-6,884.44

Finding the Fourth Proportional to 13,554.68, 20,328.96 and 6,884.44

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Solution

The fourth proportional to 13,554.68, 20,328.96 and 6,884.44 is: 10,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.68 : 20,328.96 = 6,884.44 : x
  2. Step 2: Convert to fraction form
    13,554.68/20,328.96 = 6,884.44/x
  3. Step 3: Cross multiply
    13,554.68x = 20,328.96 × 6,884.44
  4. Step 4: Simplify right side
    13,554.68x = 139,953,505.38
  5. Step 5: Solve for x
    x = 139,953,505.38/13,554.68
  6. Step 6: Final answer
    x = 10,325.11

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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.