Home / 13,876.26-19,149.39-7,588.50

Finding the Fourth Proportional to 13,876.26, 19,149.39 and 7,588.50

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Solution

The fourth proportional to 13,876.26, 19,149.39 and 7,588.50 is: 10,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.26 : 19,149.39 = 7,588.50 : x
  2. Step 2: Convert to fraction form
    13,876.26/19,149.39 = 7,588.50/x
  3. Step 3: Cross multiply
    13,876.26x = 19,149.39 × 7,588.50
  4. Step 4: Simplify right side
    13,876.26x = 145,315,146.02
  5. Step 5: Solve for x
    x = 145,315,146.02/13,876.26
  6. Step 6: Final answer
    x = 10,472.21

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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.