Home / 13,059.10-18,027.39-7,755.63

Finding the Fourth Proportional to 13,059.10, 18,027.39 and 7,755.63

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Solution

The fourth proportional to 13,059.10, 18,027.39 and 7,755.63 is: 10,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.10 : 18,027.39 = 7,755.63 : x
  2. Step 2: Convert to fraction form
    13,059.10/18,027.39 = 7,755.63/x
  3. Step 3: Cross multiply
    13,059.10x = 18,027.39 × 7,755.63
  4. Step 4: Simplify right side
    13,059.10x = 139,813,766.71
  5. Step 5: Solve for x
    x = 139,813,766.71/13,059.10
  6. Step 6: Final answer
    x = 10,706.23

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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.