Home / 11,639.39-16,062.73-6,603.82

Finding the Fourth Proportional to 11,639.39, 16,062.73 and 6,603.82

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Solution

The fourth proportional to 11,639.39, 16,062.73 and 6,603.82 is: 9,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.39 : 16,062.73 = 6,603.82 : x
  2. Step 2: Convert to fraction form
    11,639.39/16,062.73 = 6,603.82/x
  3. Step 3: Cross multiply
    11,639.39x = 16,062.73 × 6,603.82
  4. Step 4: Simplify right side
    11,639.39x = 106,075,424.62
  5. Step 5: Solve for x
    x = 106,075,424.62/11,639.39
  6. Step 6: Final answer
    x = 9,113.48

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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.