Home / 12,670.50-19,008.27-3,905.04

Finding the Fourth Proportional to 12,670.50, 19,008.27 and 3,905.04

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Solution

The fourth proportional to 12,670.50, 19,008.27 and 3,905.04 is: 5,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.50 : 19,008.27 = 3,905.04 : x
  2. Step 2: Convert to fraction form
    12,670.50/19,008.27 = 3,905.04/x
  3. Step 3: Cross multiply
    12,670.50x = 19,008.27 × 3,905.04
  4. Step 4: Simplify right side
    12,670.50x = 74,228,054.68
  5. Step 5: Solve for x
    x = 74,228,054.68/12,670.50
  6. Step 6: Final answer
    x = 5,858.34

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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.