Home / 11,384.32-15,714.12-6,668.50

Finding the Fourth Proportional to 11,384.32, 15,714.12 and 6,668.50

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Solution

The fourth proportional to 11,384.32, 15,714.12 and 6,668.50 is: 9,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.32 : 15,714.12 = 6,668.50 : x
  2. Step 2: Convert to fraction form
    11,384.32/15,714.12 = 6,668.50/x
  3. Step 3: Cross multiply
    11,384.32x = 15,714.12 × 6,668.50
  4. Step 4: Simplify right side
    11,384.32x = 104,789,609.22
  5. Step 5: Solve for x
    x = 104,789,609.22/11,384.32
  6. Step 6: Final answer
    x = 9,204.73

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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.