Home / 11,561.82-15,956.94-6,528.06

Finding the Fourth Proportional to 11,561.82, 15,956.94 and 6,528.06

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Solution

The fourth proportional to 11,561.82, 15,956.94 and 6,528.06 is: 9,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.82 : 15,956.94 = 6,528.06 : x
  2. Step 2: Convert to fraction form
    11,561.82/15,956.94 = 6,528.06/x
  3. Step 3: Cross multiply
    11,561.82x = 15,956.94 × 6,528.06
  4. Step 4: Simplify right side
    11,561.82x = 104,167,861.74
  5. Step 5: Solve for x
    x = 104,167,861.74/11,561.82
  6. Step 6: Final answer
    x = 9,009.64

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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.