Home / 12,805.25-19,199.57-8,845.43

Finding the Fourth Proportional to 12,805.25, 19,199.57 and 8,845.43

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Solution

The fourth proportional to 12,805.25, 19,199.57 and 8,845.43 is: 13,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.25 : 19,199.57 = 8,845.43 : x
  2. Step 2: Convert to fraction form
    12,805.25/19,199.57 = 8,845.43/x
  3. Step 3: Cross multiply
    12,805.25x = 19,199.57 × 8,845.43
  4. Step 4: Simplify right side
    12,805.25x = 169,828,312.24
  5. Step 5: Solve for x
    x = 169,828,312.24/12,805.25
  6. Step 6: Final answer
    x = 13,262.40

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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.