Home / 11,409.40-17,114.10-10,534.60

Finding the Fourth Proportional to 11,409.40, 17,114.10 and 10,534.60

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Solution

The fourth proportional to 11,409.40, 17,114.10 and 10,534.60 is: 15,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.40 : 17,114.10 = 10,534.60 : x
  2. Step 2: Convert to fraction form
    11,409.40/17,114.10 = 10,534.60/x
  3. Step 3: Cross multiply
    11,409.40x = 17,114.10 × 10,534.60
  4. Step 4: Simplify right side
    11,409.40x = 180,290,197.86
  5. Step 5: Solve for x
    x = 180,290,197.86/11,409.40
  6. Step 6: Final answer
    x = 15,801.90

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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.