Home / 13,434.60-18,550.93-11,208.14

Finding the Fourth Proportional to 13,434.60, 18,550.93 and 11,208.14

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Solution

The fourth proportional to 13,434.60, 18,550.93 and 11,208.14 is: 15,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.60 : 18,550.93 = 11,208.14 : x
  2. Step 2: Convert to fraction form
    13,434.60/18,550.93 = 11,208.14/x
  3. Step 3: Cross multiply
    13,434.60x = 18,550.93 × 11,208.14
  4. Step 4: Simplify right side
    13,434.60x = 207,921,494.97
  5. Step 5: Solve for x
    x = 207,921,494.97/13,434.60
  6. Step 6: Final answer
    x = 15,476.57

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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.