Home / 9,717.36-13,412.34-6,368.28

Finding the Fourth Proportional to 9,717.36, 13,412.34 and 6,368.28

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Solution

The fourth proportional to 9,717.36, 13,412.34 and 6,368.28 is: 8,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.36 : 13,412.34 = 6,368.28 : x
  2. Step 2: Convert to fraction form
    9,717.36/13,412.34 = 6,368.28/x
  3. Step 3: Cross multiply
    9,717.36x = 13,412.34 × 6,368.28
  4. Step 4: Simplify right side
    9,717.36x = 85,413,536.58
  5. Step 5: Solve for x
    x = 85,413,536.58/9,717.36
  6. Step 6: Final answer
    x = 8,789.79

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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.