Home / 19,019.55-28,533.99-6,539.76

Finding the Fourth Proportional to 19,019.55, 28,533.99 and 6,539.76

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Solution

The fourth proportional to 19,019.55, 28,533.99 and 6,539.76 is: 9,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.55 : 28,533.99 = 6,539.76 : x
  2. Step 2: Convert to fraction form
    19,019.55/28,533.99 = 6,539.76/x
  3. Step 3: Cross multiply
    19,019.55x = 28,533.99 × 6,539.76
  4. Step 4: Simplify right side
    19,019.55x = 186,605,446.44
  5. Step 5: Solve for x
    x = 186,605,446.44/19,019.55
  6. Step 6: Final answer
    x = 9,811.24

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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.