Home / 11,768.32-17,628.48-9,126.16

Finding the Fourth Proportional to 11,768.32, 17,628.48 and 9,126.16

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Solution

The fourth proportional to 11,768.32, 17,628.48 and 9,126.16 is: 13,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.32 : 17,628.48 = 9,126.16 : x
  2. Step 2: Convert to fraction form
    11,768.32/17,628.48 = 9,126.16/x
  3. Step 3: Cross multiply
    11,768.32x = 17,628.48 × 9,126.16
  4. Step 4: Simplify right side
    11,768.32x = 160,880,329.04
  5. Step 5: Solve for x
    x = 160,880,329.04/11,768.32
  6. Step 6: Final answer
    x = 13,670.63

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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.