Home / 14,820.37-20,452.70-8,106.28

Finding the Fourth Proportional to 14,820.37, 20,452.70 and 8,106.28

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Solution

The fourth proportional to 14,820.37, 20,452.70 and 8,106.28 is: 11,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.37 : 20,452.70 = 8,106.28 : x
  2. Step 2: Convert to fraction form
    14,820.37/20,452.70 = 8,106.28/x
  3. Step 3: Cross multiply
    14,820.37x = 20,452.70 × 8,106.28
  4. Step 4: Simplify right side
    14,820.37x = 165,795,282.09
  5. Step 5: Solve for x
    x = 165,795,282.09/14,820.37
  6. Step 6: Final answer
    x = 11,186.99

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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.