Home / 19,221.14-26,505.77-12,847.75

Finding the Fourth Proportional to 19,221.14, 26,505.77 and 12,847.75

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Solution

The fourth proportional to 19,221.14, 26,505.77 and 12,847.75 is: 17,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.14 : 26,505.77 = 12,847.75 : x
  2. Step 2: Convert to fraction form
    19,221.14/26,505.77 = 12,847.75/x
  3. Step 3: Cross multiply
    19,221.14x = 26,505.77 × 12,847.75
  4. Step 4: Simplify right side
    19,221.14x = 340,539,506.52
  5. Step 5: Solve for x
    x = 340,539,506.52/19,221.14
  6. Step 6: Final answer
    x = 17,716.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.