Home / 11,681.42-16,126.14-7,207.64

Finding the Fourth Proportional to 11,681.42, 16,126.14 and 7,207.64

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Solution

The fourth proportional to 11,681.42, 16,126.14 and 7,207.64 is: 9,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.42 : 16,126.14 = 7,207.64 : x
  2. Step 2: Convert to fraction form
    11,681.42/16,126.14 = 7,207.64/x
  3. Step 3: Cross multiply
    11,681.42x = 16,126.14 × 7,207.64
  4. Step 4: Simplify right side
    11,681.42x = 116,231,418.58
  5. Step 5: Solve for x
    x = 116,231,418.58/11,681.42
  6. Step 6: Final answer
    x = 9,950.11

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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.