Home / 19,997.64-29,987.91-6,851.34

Finding the Fourth Proportional to 19,997.64, 29,987.91 and 6,851.34

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Solution

The fourth proportional to 19,997.64, 29,987.91 and 6,851.34 is: 10,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.64 : 29,987.91 = 6,851.34 : x
  2. Step 2: Convert to fraction form
    19,997.64/29,987.91 = 6,851.34/x
  3. Step 3: Cross multiply
    19,997.64x = 29,987.91 × 6,851.34
  4. Step 4: Simplify right side
    19,997.64x = 205,457,367.30
  5. Step 5: Solve for x
    x = 205,457,367.30/19,997.64
  6. Step 6: Final answer
    x = 10,274.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.