Home / 13,090.95-19,633.46-3,730.79

Finding the Fourth Proportional to 13,090.95, 19,633.46 and 3,730.79

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Solution

The fourth proportional to 13,090.95, 19,633.46 and 3,730.79 is: 5,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.95 : 19,633.46 = 3,730.79 : x
  2. Step 2: Convert to fraction form
    13,090.95/19,633.46 = 3,730.79/x
  3. Step 3: Cross multiply
    13,090.95x = 19,633.46 × 3,730.79
  4. Step 4: Simplify right side
    13,090.95x = 73,248,346.66
  5. Step 5: Solve for x
    x = 73,248,346.66/13,090.95
  6. Step 6: Final answer
    x = 5,595.34

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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.