Home / 11,628.18-16,054.41-7,327.47

Finding the Fourth Proportional to 11,628.18, 16,054.41 and 7,327.47

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Solution

The fourth proportional to 11,628.18, 16,054.41 and 7,327.47 is: 10,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.18 : 16,054.41 = 7,327.47 : x
  2. Step 2: Convert to fraction form
    11,628.18/16,054.41 = 7,327.47/x
  3. Step 3: Cross multiply
    11,628.18x = 16,054.41 × 7,327.47
  4. Step 4: Simplify right side
    11,628.18x = 117,638,207.64
  5. Step 5: Solve for x
    x = 117,638,207.64/11,628.18
  6. Step 6: Final answer
    x = 10,116.65

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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.