Home / 11,386.20-17,090.10-9,744.60

Finding the Fourth Proportional to 11,386.20, 17,090.10 and 9,744.60

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Solution

The fourth proportional to 11,386.20, 17,090.10 and 9,744.60 is: 14,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.20 : 17,090.10 = 9,744.60 : x
  2. Step 2: Convert to fraction form
    11,386.20/17,090.10 = 9,744.60/x
  3. Step 3: Cross multiply
    11,386.20x = 17,090.10 × 9,744.60
  4. Step 4: Simplify right side
    11,386.20x = 166,536,188.46
  5. Step 5: Solve for x
    x = 166,536,188.46/11,386.20
  6. Step 6: Final answer
    x = 14,626.14

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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.