Home / 13,877.56-19,151.34-7,589.80

Finding the Fourth Proportional to 13,877.56, 19,151.34 and 7,589.80

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Solution

The fourth proportional to 13,877.56, 19,151.34 and 7,589.80 is: 10,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.56 : 19,151.34 = 7,589.80 : x
  2. Step 2: Convert to fraction form
    13,877.56/19,151.34 = 7,589.80/x
  3. Step 3: Cross multiply
    13,877.56x = 19,151.34 × 7,589.80
  4. Step 4: Simplify right side
    13,877.56x = 145,354,840.33
  5. Step 5: Solve for x
    x = 145,354,840.33/13,877.56
  6. Step 6: Final answer
    x = 10,474.09

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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.