Home / 11,536.16-15,917.52-7,342.88

Finding the Fourth Proportional to 11,536.16, 15,917.52 and 7,342.88

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Solution

The fourth proportional to 11,536.16, 15,917.52 and 7,342.88 is: 10,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.16 : 15,917.52 = 7,342.88 : x
  2. Step 2: Convert to fraction form
    11,536.16/15,917.52 = 7,342.88/x
  3. Step 3: Cross multiply
    11,536.16x = 15,917.52 × 7,342.88
  4. Step 4: Simplify right side
    11,536.16x = 116,880,439.26
  5. Step 5: Solve for x
    x = 116,880,439.26/11,536.16
  6. Step 6: Final answer
    x = 10,131.66

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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.