Home / 12,682.22-19,022.76-3,917.07

Finding the Fourth Proportional to 12,682.22, 19,022.76 and 3,917.07

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Solution

The fourth proportional to 12,682.22, 19,022.76 and 3,917.07 is: 5,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.22 : 19,022.76 = 3,917.07 : x
  2. Step 2: Convert to fraction form
    12,682.22/19,022.76 = 3,917.07/x
  3. Step 3: Cross multiply
    12,682.22x = 19,022.76 × 3,917.07
  4. Step 4: Simplify right side
    12,682.22x = 74,513,482.51
  5. Step 5: Solve for x
    x = 74,513,482.51/12,682.22
  6. Step 6: Final answer
    x = 5,875.43

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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.