Home / 12,845.01-19,267.47-4,080.61

Finding the Fourth Proportional to 12,845.01, 19,267.47 and 4,080.61

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Solution

The fourth proportional to 12,845.01, 19,267.47 and 4,080.61 is: 6,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.01 : 19,267.47 = 4,080.61 : x
  2. Step 2: Convert to fraction form
    12,845.01/19,267.47 = 4,080.61/x
  3. Step 3: Cross multiply
    12,845.01x = 19,267.47 × 4,080.61
  4. Step 4: Simplify right side
    12,845.01x = 78,623,030.76
  5. Step 5: Solve for x
    x = 78,623,030.76/12,845.01
  6. Step 6: Final answer
    x = 6,120.90

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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.