Home / 13,492.08-20,228.88-6,912.96

Finding the Fourth Proportional to 13,492.08, 20,228.88 and 6,912.96

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Solution

The fourth proportional to 13,492.08, 20,228.88 and 6,912.96 is: 10,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.08 : 20,228.88 = 6,912.96 : x
  2. Step 2: Convert to fraction form
    13,492.08/20,228.88 = 6,912.96/x
  3. Step 3: Cross multiply
    13,492.08x = 20,228.88 × 6,912.96
  4. Step 4: Simplify right side
    13,492.08x = 139,841,438.28
  5. Step 5: Solve for x
    x = 139,841,438.28/13,492.08
  6. Step 6: Final answer
    x = 10,364.71

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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.