Home / 19,919.32-27,487.66-10,967.60

Finding the Fourth Proportional to 19,919.32, 27,487.66 and 10,967.60

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Solution

The fourth proportional to 19,919.32, 27,487.66 and 10,967.60 is: 15,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.32 : 27,487.66 = 10,967.60 : x
  2. Step 2: Convert to fraction form
    19,919.32/27,487.66 = 10,967.60/x
  3. Step 3: Cross multiply
    19,919.32x = 27,487.66 × 10,967.60
  4. Step 4: Simplify right side
    19,919.32x = 301,473,659.82
  5. Step 5: Solve for x
    x = 301,473,659.82/19,919.32
  6. Step 6: Final answer
    x = 15,134.74

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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.