Home / 14,435.71-19,916.75-8,467.63

Finding the Fourth Proportional to 14,435.71, 19,916.75 and 8,467.63

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Solution

The fourth proportional to 14,435.71, 19,916.75 and 8,467.63 is: 11,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.71 : 19,916.75 = 8,467.63 : x
  2. Step 2: Convert to fraction form
    14,435.71/19,916.75 = 8,467.63/x
  3. Step 3: Cross multiply
    14,435.71x = 19,916.75 × 8,467.63
  4. Step 4: Simplify right side
    14,435.71x = 168,647,627.46
  5. Step 5: Solve for x
    x = 168,647,627.46/14,435.71
  6. Step 6: Final answer
    x = 11,682.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.