Home / 20,007.32-27,609.36-11,054.64

Finding the Fourth Proportional to 20,007.32, 27,609.36 and 11,054.64

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Solution

The fourth proportional to 20,007.32, 27,609.36 and 11,054.64 is: 15,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.32 : 27,609.36 = 11,054.64 : x
  2. Step 2: Convert to fraction form
    20,007.32/27,609.36 = 11,054.64/x
  3. Step 3: Cross multiply
    20,007.32x = 27,609.36 × 11,054.64
  4. Step 4: Simplify right side
    20,007.32x = 305,211,397.38
  5. Step 5: Solve for x
    x = 305,211,397.38/20,007.32
  6. Step 6: Final answer
    x = 15,254.99

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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.