Home / 11,645.82-16,071.48-6,541.20

Finding the Fourth Proportional to 11,645.82, 16,071.48 and 6,541.20

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Solution

The fourth proportional to 11,645.82, 16,071.48 and 6,541.20 is: 9,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.82 : 16,071.48 = 6,541.20 : x
  2. Step 2: Convert to fraction form
    11,645.82/16,071.48 = 6,541.20/x
  3. Step 3: Cross multiply
    11,645.82x = 16,071.48 × 6,541.20
  4. Step 4: Simplify right side
    11,645.82x = 105,126,764.98
  5. Step 5: Solve for x
    x = 105,126,764.98/11,645.82
  6. Step 6: Final answer
    x = 9,027.00

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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.