Home / 13,233.40-19,817.70-9,928.60

Finding the Fourth Proportional to 13,233.40, 19,817.70 and 9,928.60

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Solution

The fourth proportional to 13,233.40, 19,817.70 and 9,928.60 is: 14,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.40 : 19,817.70 = 9,928.60 : x
  2. Step 2: Convert to fraction form
    13,233.40/19,817.70 = 9,928.60/x
  3. Step 3: Cross multiply
    13,233.40x = 19,817.70 × 9,928.60
  4. Step 4: Simplify right side
    13,233.40x = 196,762,016.22
  5. Step 5: Solve for x
    x = 196,762,016.22/13,233.40
  6. Step 6: Final answer
    x = 14,868.59

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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.