Home / 12,801.30-19,193.70-8,841.42

Finding the Fourth Proportional to 12,801.30, 19,193.70 and 8,841.42

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Solution

The fourth proportional to 12,801.30, 19,193.70 and 8,841.42 is: 13,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.30 : 19,193.70 = 8,841.42 : x
  2. Step 2: Convert to fraction form
    12,801.30/19,193.70 = 8,841.42/x
  3. Step 3: Cross multiply
    12,801.30x = 19,193.70 × 8,841.42
  4. Step 4: Simplify right side
    12,801.30x = 169,699,563.05
  5. Step 5: Solve for x
    x = 169,699,563.05/12,801.30
  6. Step 6: Final answer
    x = 13,256.43

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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.