Home / 14,719.30-22,161.81-12,975.50

Finding the Fourth Proportional to 14,719.30, 22,161.81 and 12,975.50

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Solution

The fourth proportional to 14,719.30, 22,161.81 and 12,975.50 is: 19,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.30 : 22,161.81 = 12,975.50 : x
  2. Step 2: Convert to fraction form
    14,719.30/22,161.81 = 12,975.50/x
  3. Step 3: Cross multiply
    14,719.30x = 22,161.81 × 12,975.50
  4. Step 4: Simplify right side
    14,719.30x = 287,560,669.72
  5. Step 5: Solve for x
    x = 287,560,669.72/14,719.30
  6. Step 6: Final answer
    x = 19,536.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.