Home / 12,670.12-19,005.63-4,350.09

Finding the Fourth Proportional to 12,670.12, 19,005.63 and 4,350.09

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Solution

The fourth proportional to 12,670.12, 19,005.63 and 4,350.09 is: 6,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.12 : 19,005.63 = 4,350.09 : x
  2. Step 2: Convert to fraction form
    12,670.12/19,005.63 = 4,350.09/x
  3. Step 3: Cross multiply
    12,670.12x = 19,005.63 × 4,350.09
  4. Step 4: Simplify right side
    12,670.12x = 82,676,201.01
  5. Step 5: Solve for x
    x = 82,676,201.01/12,670.12
  6. Step 6: Final answer
    x = 6,525.29

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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.