Home / 12,841.05-19,263.60-5,445.55

Finding the Fourth Proportional to 12,841.05, 19,263.60 and 5,445.55

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Solution

The fourth proportional to 12,841.05, 19,263.60 and 5,445.55 is: 8,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.05 : 19,263.60 = 5,445.55 : x
  2. Step 2: Convert to fraction form
    12,841.05/19,263.60 = 5,445.55/x
  3. Step 3: Cross multiply
    12,841.05x = 19,263.60 × 5,445.55
  4. Step 4: Simplify right side
    12,841.05x = 104,900,896.98
  5. Step 5: Solve for x
    x = 104,900,896.98/12,841.05
  6. Step 6: Final answer
    x = 8,169.18

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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.