Home / 14,433.72-19,921.50-8,468.52

Finding the Fourth Proportional to 14,433.72, 19,921.50 and 8,468.52

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Solution

The fourth proportional to 14,433.72, 19,921.50 and 8,468.52 is: 11,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.72 : 19,921.50 = 8,468.52 : x
  2. Step 2: Convert to fraction form
    14,433.72/19,921.50 = 8,468.52/x
  3. Step 3: Cross multiply
    14,433.72x = 19,921.50 × 8,468.52
  4. Step 4: Simplify right side
    14,433.72x = 168,705,621.18
  5. Step 5: Solve for x
    x = 168,705,621.18/14,433.72
  6. Step 6: Final answer
    x = 11,688.30

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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.