Home / 12,103.26-16,702.70-6,726.19

Finding the Fourth Proportional to 12,103.26, 16,702.70 and 6,726.19

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Solution

The fourth proportional to 12,103.26, 16,702.70 and 6,726.19 is: 9,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.26 : 16,702.70 = 6,726.19 : x
  2. Step 2: Convert to fraction form
    12,103.26/16,702.70 = 6,726.19/x
  3. Step 3: Cross multiply
    12,103.26x = 16,702.70 × 6,726.19
  4. Step 4: Simplify right side
    12,103.26x = 112,345,533.71
  5. Step 5: Solve for x
    x = 112,345,533.71/12,103.26
  6. Step 6: Final answer
    x = 9,282.25

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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.