Home / 11,925.40-16,456.14-6,887.32

Finding the Fourth Proportional to 11,925.40, 16,456.14 and 6,887.32

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Solution

The fourth proportional to 11,925.40, 16,456.14 and 6,887.32 is: 9,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.40 : 16,456.14 = 6,887.32 : x
  2. Step 2: Convert to fraction form
    11,925.40/16,456.14 = 6,887.32/x
  3. Step 3: Cross multiply
    11,925.40x = 16,456.14 × 6,887.32
  4. Step 4: Simplify right side
    11,925.40x = 113,338,702.14
  5. Step 5: Solve for x
    x = 113,338,702.14/11,925.40
  6. Step 6: Final answer
    x = 9,503.97

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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.