Home / 19,194.60-28,808.10-9,342.30

Finding the Fourth Proportional to 19,194.60, 28,808.10 and 9,342.30

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Solution

The fourth proportional to 19,194.60, 28,808.10 and 9,342.30 is: 14,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.60 : 28,808.10 = 9,342.30 : x
  2. Step 2: Convert to fraction form
    19,194.60/28,808.10 = 9,342.30/x
  3. Step 3: Cross multiply
    19,194.60x = 28,808.10 × 9,342.30
  4. Step 4: Simplify right side
    19,194.60x = 269,133,912.63
  5. Step 5: Solve for x
    x = 269,133,912.63/19,194.60
  6. Step 6: Final answer
    x = 14,021.33

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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.