Home / 11,354.21-15,668.57-6,318.24

Finding the Fourth Proportional to 11,354.21, 15,668.57 and 6,318.24

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Solution

The fourth proportional to 11,354.21, 15,668.57 and 6,318.24 is: 8,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.21 : 15,668.57 = 6,318.24 : x
  2. Step 2: Convert to fraction form
    11,354.21/15,668.57 = 6,318.24/x
  3. Step 3: Cross multiply
    11,354.21x = 15,668.57 × 6,318.24
  4. Step 4: Simplify right side
    11,354.21x = 98,997,742.76
  5. Step 5: Solve for x
    x = 98,997,742.76/11,354.21
  6. Step 6: Final answer
    x = 8,719.03

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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.