Home / 19,219.05-28,837.47-7,368.86

Finding the Fourth Proportional to 19,219.05, 28,837.47 and 7,368.86

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Solution

The fourth proportional to 19,219.05, 28,837.47 and 7,368.86 is: 11,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.05 : 28,837.47 = 7,368.86 : x
  2. Step 2: Convert to fraction form
    19,219.05/28,837.47 = 7,368.86/x
  3. Step 3: Cross multiply
    19,219.05x = 28,837.47 × 7,368.86
  4. Step 4: Simplify right side
    19,219.05x = 212,499,135.00
  5. Step 5: Solve for x
    x = 212,499,135.00/19,219.05
  6. Step 6: Final answer
    x = 11,056.69

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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.