Home / 11,828.16-16,323.48-8,290.08

Finding the Fourth Proportional to 11,828.16, 16,323.48 and 8,290.08

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Solution

The fourth proportional to 11,828.16, 16,323.48 and 8,290.08 is: 11,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.16 : 16,323.48 = 8,290.08 : x
  2. Step 2: Convert to fraction form
    11,828.16/16,323.48 = 8,290.08/x
  3. Step 3: Cross multiply
    11,828.16x = 16,323.48 × 8,290.08
  4. Step 4: Simplify right side
    11,828.16x = 135,322,955.08
  5. Step 5: Solve for x
    x = 135,322,955.08/11,828.16
  6. Step 6: Final answer
    x = 11,440.74

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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.