Home / 13,027.80-19,527.30-7,188.60

Finding the Fourth Proportional to 13,027.80, 19,527.30 and 7,188.60

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Solution

The fourth proportional to 13,027.80, 19,527.30 and 7,188.60 is: 10,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.80 : 19,527.30 = 7,188.60 : x
  2. Step 2: Convert to fraction form
    13,027.80/19,527.30 = 7,188.60/x
  3. Step 3: Cross multiply
    13,027.80x = 19,527.30 × 7,188.60
  4. Step 4: Simplify right side
    13,027.80x = 140,373,948.78
  5. Step 5: Solve for x
    x = 140,373,948.78/13,027.80
  6. Step 6: Final answer
    x = 10,774.95

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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.