Home / 13,193.09-19,792.59-4,427.78

Finding the Fourth Proportional to 13,193.09, 19,792.59 and 4,427.78

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Solution

The fourth proportional to 13,193.09, 19,792.59 and 4,427.78 is: 6,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.09 : 19,792.59 = 4,427.78 : x
  2. Step 2: Convert to fraction form
    13,193.09/19,792.59 = 4,427.78/x
  3. Step 3: Cross multiply
    13,193.09x = 19,792.59 × 4,427.78
  4. Step 4: Simplify right side
    13,193.09x = 87,637,234.15
  5. Step 5: Solve for x
    x = 87,637,234.15/13,193.09
  6. Step 6: Final answer
    x = 6,642.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.