Home / 12,917.34-19,388.13-6,348.24

Finding the Fourth Proportional to 12,917.34, 19,388.13 and 6,348.24

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Solution

The fourth proportional to 12,917.34, 19,388.13 and 6,348.24 is: 9,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.34 : 19,388.13 = 6,348.24 : x
  2. Step 2: Convert to fraction form
    12,917.34/19,388.13 = 6,348.24/x
  3. Step 3: Cross multiply
    12,917.34x = 19,388.13 × 6,348.24
  4. Step 4: Simplify right side
    12,917.34x = 123,080,502.39
  5. Step 5: Solve for x
    x = 123,080,502.39/12,917.34
  6. Step 6: Final answer
    x = 9,528.32

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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.