Home / 12,824.64-19,225.44-6,649.92

Finding the Fourth Proportional to 12,824.64, 19,225.44 and 6,649.92

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Solution

The fourth proportional to 12,824.64, 19,225.44 and 6,649.92 is: 9,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.64 : 19,225.44 = 6,649.92 : x
  2. Step 2: Convert to fraction form
    12,824.64/19,225.44 = 6,649.92/x
  3. Step 3: Cross multiply
    12,824.64x = 19,225.44 × 6,649.92
  4. Step 4: Simplify right side
    12,824.64x = 127,847,637.96
  5. Step 5: Solve for x
    x = 127,847,637.96/12,824.64
  6. Step 6: Final answer
    x = 9,968.91

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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.