Home / 12,034.51-16,607.91-6,729.28

Finding the Fourth Proportional to 12,034.51, 16,607.91 and 6,729.28

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Solution

The fourth proportional to 12,034.51, 16,607.91 and 6,729.28 is: 9,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.51 : 16,607.91 = 6,729.28 : x
  2. Step 2: Convert to fraction form
    12,034.51/16,607.91 = 6,729.28/x
  3. Step 3: Cross multiply
    12,034.51x = 16,607.91 × 6,729.28
  4. Step 4: Simplify right side
    12,034.51x = 111,759,276.60
  5. Step 5: Solve for x
    x = 111,759,276.60/12,034.51
  6. Step 6: Final answer
    x = 9,286.57

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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.