Home / 11,603.10-16,012.11-6,568.28

Finding the Fourth Proportional to 11,603.10, 16,012.11 and 6,568.28

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Solution

The fourth proportional to 11,603.10, 16,012.11 and 6,568.28 is: 9,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.10 : 16,012.11 = 6,568.28 : x
  2. Step 2: Convert to fraction form
    11,603.10/16,012.11 = 6,568.28/x
  3. Step 3: Cross multiply
    11,603.10x = 16,012.11 × 6,568.28
  4. Step 4: Simplify right side
    11,603.10x = 105,172,021.87
  5. Step 5: Solve for x
    x = 105,172,021.87/11,603.10
  6. Step 6: Final answer
    x = 9,064.13

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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.