Home / 12,539.04-18,796.64-4,742.52

Finding the Fourth Proportional to 12,539.04, 18,796.64 and 4,742.52

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Solution

The fourth proportional to 12,539.04, 18,796.64 and 4,742.52 is: 7,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.04 : 18,796.64 = 4,742.52 : x
  2. Step 2: Convert to fraction form
    12,539.04/18,796.64 = 4,742.52/x
  3. Step 3: Cross multiply
    12,539.04x = 18,796.64 × 4,742.52
  4. Step 4: Simplify right side
    12,539.04x = 89,143,441.13
  5. Step 5: Solve for x
    x = 89,143,441.13/12,539.04
  6. Step 6: Final answer
    x = 7,109.27

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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.