Home / 19,110.80-26,361.22-13,435.52

Finding the Fourth Proportional to 19,110.80, 26,361.22 and 13,435.52

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Solution

The fourth proportional to 19,110.80, 26,361.22 and 13,435.52 is: 18,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.80 : 26,361.22 = 13,435.52 : x
  2. Step 2: Convert to fraction form
    19,110.80/26,361.22 = 13,435.52/x
  3. Step 3: Cross multiply
    19,110.80x = 26,361.22 × 13,435.52
  4. Step 4: Simplify right side
    19,110.80x = 354,176,698.53
  5. Step 5: Solve for x
    x = 354,176,698.53/19,110.80
  6. Step 6: Final answer
    x = 18,532.80

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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.