Home / 19,193.40-28,798.20-9,327.60

Finding the Fourth Proportional to 19,193.40, 28,798.20 and 9,327.60

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Solution

The fourth proportional to 19,193.40, 28,798.20 and 9,327.60 is: 13,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.40 : 28,798.20 = 9,327.60 : x
  2. Step 2: Convert to fraction form
    19,193.40/28,798.20 = 9,327.60/x
  3. Step 3: Cross multiply
    19,193.40x = 28,798.20 × 9,327.60
  4. Step 4: Simplify right side
    19,193.40x = 268,618,090.32
  5. Step 5: Solve for x
    x = 268,618,090.32/19,193.40
  6. Step 6: Final answer
    x = 13,995.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.