Home / 14,604.08-20,153.62-7,889.71

Finding the Fourth Proportional to 14,604.08, 20,153.62 and 7,889.71

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Solution

The fourth proportional to 14,604.08, 20,153.62 and 7,889.71 is: 10,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.08 : 20,153.62 = 7,889.71 : x
  2. Step 2: Convert to fraction form
    14,604.08/20,153.62 = 7,889.71/x
  3. Step 3: Cross multiply
    14,604.08x = 20,153.62 × 7,889.71
  4. Step 4: Simplify right side
    14,604.08x = 159,006,147.14
  5. Step 5: Solve for x
    x = 159,006,147.14/14,604.08
  6. Step 6: Final answer
    x = 10,887.79

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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.