Home / 13,550.36-18,705.88-10,194.45

Finding the Fourth Proportional to 13,550.36, 18,705.88 and 10,194.45

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Solution

The fourth proportional to 13,550.36, 18,705.88 and 10,194.45 is: 14,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.36 : 18,705.88 = 10,194.45 : x
  2. Step 2: Convert to fraction form
    13,550.36/18,705.88 = 10,194.45/x
  3. Step 3: Cross multiply
    13,550.36x = 18,705.88 × 10,194.45
  4. Step 4: Simplify right side
    13,550.36x = 190,696,158.37
  5. Step 5: Solve for x
    x = 190,696,158.37/13,550.36
  6. Step 6: Final answer
    x = 14,073.14

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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.