Home / 12,699.05-19,052.82-6,124.48

Finding the Fourth Proportional to 12,699.05, 19,052.82 and 6,124.48

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Solution

The fourth proportional to 12,699.05, 19,052.82 and 6,124.48 is: 9,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.05 : 19,052.82 = 6,124.48 : x
  2. Step 2: Convert to fraction form
    12,699.05/19,052.82 = 6,124.48/x
  3. Step 3: Cross multiply
    12,699.05x = 19,052.82 × 6,124.48
  4. Step 4: Simplify right side
    12,699.05x = 116,688,567.40
  5. Step 5: Solve for x
    x = 116,688,567.40/12,699.05
  6. Step 6: Final answer
    x = 9,188.77

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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.