Home / 19,559.58-26,997.06-12,854.31

Finding the Fourth Proportional to 19,559.58, 26,997.06 and 12,854.31

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Solution

The fourth proportional to 19,559.58, 26,997.06 and 12,854.31 is: 17,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.58 : 26,997.06 = 12,854.31 : x
  2. Step 2: Convert to fraction form
    19,559.58/26,997.06 = 12,854.31/x
  3. Step 3: Cross multiply
    19,559.58x = 26,997.06 × 12,854.31
  4. Step 4: Simplify right side
    19,559.58x = 347,028,578.33
  5. Step 5: Solve for x
    x = 347,028,578.33/19,559.58
  6. Step 6: Final answer
    x = 17,742.13

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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.