Home / 11,603.16-16,012.38-6,297.98

Finding the Fourth Proportional to 11,603.16, 16,012.38 and 6,297.98

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Solution

The fourth proportional to 11,603.16, 16,012.38 and 6,297.98 is: 8,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.16 : 16,012.38 = 6,297.98 : x
  2. Step 2: Convert to fraction form
    11,603.16/16,012.38 = 6,297.98/x
  3. Step 3: Cross multiply
    11,603.16x = 16,012.38 × 6,297.98
  4. Step 4: Simplify right side
    11,603.16x = 100,845,647.19
  5. Step 5: Solve for x
    x = 100,845,647.19/11,603.16
  6. Step 6: Final answer
    x = 8,691.22

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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.