Home / 16,881.10-23,311.47-11,308.30

Finding the Fourth Proportional to 16,881.10, 23,311.47 and 11,308.30

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Solution

The fourth proportional to 16,881.10, 23,311.47 and 11,308.30 is: 15,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.10 : 23,311.47 = 11,308.30 : x
  2. Step 2: Convert to fraction form
    16,881.10/23,311.47 = 11,308.30/x
  3. Step 3: Cross multiply
    16,881.10x = 23,311.47 × 11,308.30
  4. Step 4: Simplify right side
    16,881.10x = 263,613,096.20
  5. Step 5: Solve for x
    x = 263,613,096.20/16,881.10
  6. Step 6: Final answer
    x = 15,615.87

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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.