Home / 19,447.74-29,146.23-8,913.96

Finding the Fourth Proportional to 19,447.74, 29,146.23 and 8,913.96

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Solution

The fourth proportional to 19,447.74, 29,146.23 and 8,913.96 is: 13,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.74 : 29,146.23 = 8,913.96 : x
  2. Step 2: Convert to fraction form
    19,447.74/29,146.23 = 8,913.96/x
  3. Step 3: Cross multiply
    19,447.74x = 29,146.23 × 8,913.96
  4. Step 4: Simplify right side
    19,447.74x = 259,808,328.37
  5. Step 5: Solve for x
    x = 259,808,328.37/19,447.74
  6. Step 6: Final answer
    x = 13,359.31

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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.