Home / 12,716.64-17,554.96-8,474.68

Finding the Fourth Proportional to 12,716.64, 17,554.96 and 8,474.68

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Solution

The fourth proportional to 12,716.64, 17,554.96 and 8,474.68 is: 11,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.64 : 17,554.96 = 8,474.68 : x
  2. Step 2: Convert to fraction form
    12,716.64/17,554.96 = 8,474.68/x
  3. Step 3: Cross multiply
    12,716.64x = 17,554.96 × 8,474.68
  4. Step 4: Simplify right side
    12,716.64x = 148,772,668.41
  5. Step 5: Solve for x
    x = 148,772,668.41/12,716.64
  6. Step 6: Final answer
    x = 11,699.05

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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.