Home / 14,954.07-20,636.34-8,240.31

Finding the Fourth Proportional to 14,954.07, 20,636.34 and 8,240.31

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Solution

The fourth proportional to 14,954.07, 20,636.34 and 8,240.31 is: 11,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.07 : 20,636.34 = 8,240.31 : x
  2. Step 2: Convert to fraction form
    14,954.07/20,636.34 = 8,240.31/x
  3. Step 3: Cross multiply
    14,954.07x = 20,636.34 × 8,240.31
  4. Step 4: Simplify right side
    14,954.07x = 170,049,838.87
  5. Step 5: Solve for x
    x = 170,049,838.87/14,954.07
  6. Step 6: Final answer
    x = 11,371.48

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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.