Home / 11,528.32-17,290.80-5,965.12

Finding the Fourth Proportional to 11,528.32, 17,290.80 and 5,965.12

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Solution

The fourth proportional to 11,528.32, 17,290.80 and 5,965.12 is: 8,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.32 : 17,290.80 = 5,965.12 : x
  2. Step 2: Convert to fraction form
    11,528.32/17,290.80 = 5,965.12/x
  3. Step 3: Cross multiply
    11,528.32x = 17,290.80 × 5,965.12
  4. Step 4: Simplify right side
    11,528.32x = 103,141,696.90
  5. Step 5: Solve for x
    x = 103,141,696.90/11,528.32
  6. Step 6: Final answer
    x = 8,946.81

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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.