Home / 19,331.67-26,690.56-14,847.41

Finding the Fourth Proportional to 19,331.67, 26,690.56 and 14,847.41

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Solution

The fourth proportional to 19,331.67, 26,690.56 and 14,847.41 is: 20,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.67 : 26,690.56 = 14,847.41 : x
  2. Step 2: Convert to fraction form
    19,331.67/26,690.56 = 14,847.41/x
  3. Step 3: Cross multiply
    19,331.67x = 26,690.56 × 14,847.41
  4. Step 4: Simplify right side
    19,331.67x = 396,285,687.45
  5. Step 5: Solve for x
    x = 396,285,687.45/19,331.67
  6. Step 6: Final answer
    x = 20,499.30

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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.