Home / 9,908.41-13,662.63-6,317.68

Finding the Fourth Proportional to 9,908.41, 13,662.63 and 6,317.68

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Solution

The fourth proportional to 9,908.41, 13,662.63 and 6,317.68 is: 8,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.41 : 13,662.63 = 6,317.68 : x
  2. Step 2: Convert to fraction form
    9,908.41/13,662.63 = 6,317.68/x
  3. Step 3: Cross multiply
    9,908.41x = 13,662.63 × 6,317.68
  4. Step 4: Simplify right side
    9,908.41x = 86,316,124.30
  5. Step 5: Solve for x
    x = 86,316,124.30/9,908.41
  6. Step 6: Final answer
    x = 8,711.40

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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.