Home / 11,312.33-16,961.67-5,071.21

Finding the Fourth Proportional to 11,312.33, 16,961.67 and 5,071.21

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Solution

The fourth proportional to 11,312.33, 16,961.67 and 5,071.21 is: 7,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.33 : 16,961.67 = 5,071.21 : x
  2. Step 2: Convert to fraction form
    11,312.33/16,961.67 = 5,071.21/x
  3. Step 3: Cross multiply
    11,312.33x = 16,961.67 × 5,071.21
  4. Step 4: Simplify right side
    11,312.33x = 86,016,148.12
  5. Step 5: Solve for x
    x = 86,016,148.12/11,312.33
  6. Step 6: Final answer
    x = 7,603.76

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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.