Home / 19,813.32-29,699.01-7,154.64

Finding the Fourth Proportional to 19,813.32, 29,699.01 and 7,154.64

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Solution

The fourth proportional to 19,813.32, 29,699.01 and 7,154.64 is: 10,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.32 : 29,699.01 = 7,154.64 : x
  2. Step 2: Convert to fraction form
    19,813.32/29,699.01 = 7,154.64/x
  3. Step 3: Cross multiply
    19,813.32x = 29,699.01 × 7,154.64
  4. Step 4: Simplify right side
    19,813.32x = 212,485,724.91
  5. Step 5: Solve for x
    x = 212,485,724.91/19,813.32
  6. Step 6: Final answer
    x = 10,724.39

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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.