Home / 13,409.60-20,117.10-11,233.40

Finding the Fourth Proportional to 13,409.60, 20,117.10 and 11,233.40

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Solution

The fourth proportional to 13,409.60, 20,117.10 and 11,233.40 is: 16,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.60 : 20,117.10 = 11,233.40 : x
  2. Step 2: Convert to fraction form
    13,409.60/20,117.10 = 11,233.40/x
  3. Step 3: Cross multiply
    13,409.60x = 20,117.10 × 11,233.40
  4. Step 4: Simplify right side
    13,409.60x = 225,983,431.14
  5. Step 5: Solve for x
    x = 225,983,431.14/13,409.60
  6. Step 6: Final answer
    x = 16,852.36

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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.