Home / 19,844.60-29,783.70-8,166.20

Finding the Fourth Proportional to 19,844.60, 29,783.70 and 8,166.20

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Solution

The fourth proportional to 19,844.60, 29,783.70 and 8,166.20 is: 12,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.60 : 29,783.70 = 8,166.20 : x
  2. Step 2: Convert to fraction form
    19,844.60/29,783.70 = 8,166.20/x
  3. Step 3: Cross multiply
    19,844.60x = 29,783.70 × 8,166.20
  4. Step 4: Simplify right side
    19,844.60x = 243,219,650.94
  5. Step 5: Solve for x
    x = 243,219,650.94/19,844.60
  6. Step 6: Final answer
    x = 12,256.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.