Home / 11,568.08-15,956.44-7,090.24

Finding the Fourth Proportional to 11,568.08, 15,956.44 and 7,090.24

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Solution

The fourth proportional to 11,568.08, 15,956.44 and 7,090.24 is: 9,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.08 : 15,956.44 = 7,090.24 : x
  2. Step 2: Convert to fraction form
    11,568.08/15,956.44 = 7,090.24/x
  3. Step 3: Cross multiply
    11,568.08x = 15,956.44 × 7,090.24
  4. Step 4: Simplify right side
    11,568.08x = 113,134,989.15
  5. Step 5: Solve for x
    x = 113,134,989.15/11,568.08
  6. Step 6: Final answer
    x = 9,779.93

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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.