Home / 19,102.40-28,661.70-9,236.60

Finding the Fourth Proportional to 19,102.40, 28,661.70 and 9,236.60

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Solution

The fourth proportional to 19,102.40, 28,661.70 and 9,236.60 is: 13,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.40 : 28,661.70 = 9,236.60 : x
  2. Step 2: Convert to fraction form
    19,102.40/28,661.70 = 9,236.60/x
  3. Step 3: Cross multiply
    19,102.40x = 28,661.70 × 9,236.60
  4. Step 4: Simplify right side
    19,102.40x = 264,736,658.22
  5. Step 5: Solve for x
    x = 264,736,658.22/19,102.40
  6. Step 6: Final answer
    x = 13,858.82

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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.