Home / 11,302.20-16,936.60-10,670.35

Finding the Fourth Proportional to 11,302.20, 16,936.60 and 10,670.35

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Solution

The fourth proportional to 11,302.20, 16,936.60 and 10,670.35 is: 15,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.20 : 16,936.60 = 10,670.35 : x
  2. Step 2: Convert to fraction form
    11,302.20/16,936.60 = 10,670.35/x
  3. Step 3: Cross multiply
    11,302.20x = 16,936.60 × 10,670.35
  4. Step 4: Simplify right side
    11,302.20x = 180,719,449.81
  5. Step 5: Solve for x
    x = 180,719,449.81/11,302.20
  6. Step 6: Final answer
    x = 15,989.76

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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.