Home / 11,951.36-16,494.28-7,235.60

Finding the Fourth Proportional to 11,951.36, 16,494.28 and 7,235.60

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Solution

The fourth proportional to 11,951.36, 16,494.28 and 7,235.60 is: 9,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.36 : 16,494.28 = 7,235.60 : x
  2. Step 2: Convert to fraction form
    11,951.36/16,494.28 = 7,235.60/x
  3. Step 3: Cross multiply
    11,951.36x = 16,494.28 × 7,235.60
  4. Step 4: Simplify right side
    11,951.36x = 119,346,012.37
  5. Step 5: Solve for x
    x = 119,346,012.37/11,951.36
  6. Step 6: Final answer
    x = 9,985.98

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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.