Home / 11,568.44-15,956.21-7,984.77

Finding the Fourth Proportional to 11,568.44, 15,956.21 and 7,984.77

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Solution

The fourth proportional to 11,568.44, 15,956.21 and 7,984.77 is: 11,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.44 : 15,956.21 = 7,984.77 : x
  2. Step 2: Convert to fraction form
    11,568.44/15,956.21 = 7,984.77/x
  3. Step 3: Cross multiply
    11,568.44x = 15,956.21 × 7,984.77
  4. Step 4: Simplify right side
    11,568.44x = 127,406,627.00
  5. Step 5: Solve for x
    x = 127,406,627.00/11,568.44
  6. Step 6: Final answer
    x = 11,013.30

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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.