Home / 14,181.60-19,568.90-8,212.46

Finding the Fourth Proportional to 14,181.60, 19,568.90 and 8,212.46

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Solution

The fourth proportional to 14,181.60, 19,568.90 and 8,212.46 is: 11,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.60 : 19,568.90 = 8,212.46 : x
  2. Step 2: Convert to fraction form
    14,181.60/19,568.90 = 8,212.46/x
  3. Step 3: Cross multiply
    14,181.60x = 19,568.90 × 8,212.46
  4. Step 4: Simplify right side
    14,181.60x = 160,708,808.49
  5. Step 5: Solve for x
    x = 160,708,808.49/14,181.60
  6. Step 6: Final answer
    x = 11,332.21

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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.