Home / 19,297.64-26,642.70-14,812.80

Finding the Fourth Proportional to 19,297.64, 26,642.70 and 14,812.80

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Solution

The fourth proportional to 19,297.64, 26,642.70 and 14,812.80 is: 20,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.64 : 26,642.70 = 14,812.80 : x
  2. Step 2: Convert to fraction form
    19,297.64/26,642.70 = 14,812.80/x
  3. Step 3: Cross multiply
    19,297.64x = 26,642.70 × 14,812.80
  4. Step 4: Simplify right side
    19,297.64x = 394,652,986.56
  5. Step 5: Solve for x
    x = 394,652,986.56/19,297.64
  6. Step 6: Final answer
    x = 20,450.85

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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.