Home / 12,895.41-19,344.10-5,499.91

Finding the Fourth Proportional to 12,895.41, 19,344.10 and 5,499.91

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Solution

The fourth proportional to 12,895.41, 19,344.10 and 5,499.91 is: 8,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.41 : 19,344.10 = 5,499.91 : x
  2. Step 2: Convert to fraction form
    12,895.41/19,344.10 = 5,499.91/x
  3. Step 3: Cross multiply
    12,895.41x = 19,344.10 × 5,499.91
  4. Step 4: Simplify right side
    12,895.41x = 106,390,712.31
  5. Step 5: Solve for x
    x = 106,390,712.31/12,895.41
  6. Step 6: Final answer
    x = 8,250.28

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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.