Home / 12,893.67-19,338.36-4,127.45

Finding the Fourth Proportional to 12,893.67, 19,338.36 and 4,127.45

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Solution

The fourth proportional to 12,893.67, 19,338.36 and 4,127.45 is: 6,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.67 : 19,338.36 = 4,127.45 : x
  2. Step 2: Convert to fraction form
    12,893.67/19,338.36 = 4,127.45/x
  3. Step 3: Cross multiply
    12,893.67x = 19,338.36 × 4,127.45
  4. Step 4: Simplify right side
    12,893.67x = 79,818,017.29
  5. Step 5: Solve for x
    x = 79,818,017.29/12,893.67
  6. Step 6: Final answer
    x = 6,190.48

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1.5x scale

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.