Home / 14,506.21-20,019.40-8,134.84

Finding the Fourth Proportional to 14,506.21, 20,019.40 and 8,134.84

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Solution

The fourth proportional to 14,506.21, 20,019.40 and 8,134.84 is: 11,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.21 : 20,019.40 = 8,134.84 : x
  2. Step 2: Convert to fraction form
    14,506.21/20,019.40 = 8,134.84/x
  3. Step 3: Cross multiply
    14,506.21x = 20,019.40 × 8,134.84
  4. Step 4: Simplify right side
    14,506.21x = 162,854,620.58
  5. Step 5: Solve for x
    x = 162,854,620.58/14,506.21
  6. Step 6: Final answer
    x = 11,226.54

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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.