Home / 13,243.02-19,856.82-9,087.72

Finding the Fourth Proportional to 13,243.02, 19,856.82 and 9,087.72

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Solution

The fourth proportional to 13,243.02, 19,856.82 and 9,087.72 is: 13,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.02 : 19,856.82 = 9,087.72 : x
  2. Step 2: Convert to fraction form
    13,243.02/19,856.82 = 9,087.72/x
  3. Step 3: Cross multiply
    13,243.02x = 19,856.82 × 9,087.72
  4. Step 4: Simplify right side
    13,243.02x = 180,453,220.25
  5. Step 5: Solve for x
    x = 180,453,220.25/13,243.02
  6. Step 6: Final answer
    x = 13,626.29

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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.