Home / 9,123.30-13,680.90-4,194.54

Finding the Fourth Proportional to 9,123.30, 13,680.90 and 4,194.54

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Solution

The fourth proportional to 9,123.30, 13,680.90 and 4,194.54 is: 6,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.30 : 13,680.90 = 4,194.54 : x
  2. Step 2: Convert to fraction form
    9,123.30/13,680.90 = 4,194.54/x
  3. Step 3: Cross multiply
    9,123.30x = 13,680.90 × 4,194.54
  4. Step 4: Simplify right side
    9,123.30x = 57,385,082.29
  5. Step 5: Solve for x
    x = 57,385,082.29/9,123.30
  6. Step 6: Final answer
    x = 6,289.95

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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.