Home / 13,269.54-19,912.08-4,955.30

Finding the Fourth Proportional to 13,269.54, 19,912.08 and 4,955.30

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Solution

The fourth proportional to 13,269.54, 19,912.08 and 4,955.30 is: 7,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.54 : 19,912.08 = 4,955.30 : x
  2. Step 2: Convert to fraction form
    13,269.54/19,912.08 = 4,955.30/x
  3. Step 3: Cross multiply
    13,269.54x = 19,912.08 × 4,955.30
  4. Step 4: Simplify right side
    13,269.54x = 98,670,330.02
  5. Step 5: Solve for x
    x = 98,670,330.02/13,269.54
  6. Step 6: Final answer
    x = 7,435.85

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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.