Home / 17,137.31-25,702.39-6,603.71

Finding the Fourth Proportional to 17,137.31, 25,702.39 and 6,603.71

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Solution

The fourth proportional to 17,137.31, 25,702.39 and 6,603.71 is: 9,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.31 : 25,702.39 = 6,603.71 : x
  2. Step 2: Convert to fraction form
    17,137.31/25,702.39 = 6,603.71/x
  3. Step 3: Cross multiply
    17,137.31x = 25,702.39 × 6,603.71
  4. Step 4: Simplify right side
    17,137.31x = 169,731,129.87
  5. Step 5: Solve for x
    x = 169,731,129.87/17,137.31
  6. Step 6: Final answer
    x = 9,904.19

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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.