Home / 11,988.44-16,543.44-6,682.23

Finding the Fourth Proportional to 11,988.44, 16,543.44 and 6,682.23

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Solution

The fourth proportional to 11,988.44, 16,543.44 and 6,682.23 is: 9,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.44 : 16,543.44 = 6,682.23 : x
  2. Step 2: Convert to fraction form
    11,988.44/16,543.44 = 6,682.23/x
  3. Step 3: Cross multiply
    11,988.44x = 16,543.44 × 6,682.23
  4. Step 4: Simplify right side
    11,988.44x = 110,547,071.07
  5. Step 5: Solve for x
    x = 110,547,071.07/11,988.44
  6. Step 6: Final answer
    x = 9,221.14

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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.