Home / 12,824.12-19,230.02-7,275.98

Finding the Fourth Proportional to 12,824.12, 19,230.02 and 7,275.98

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Solution

The fourth proportional to 12,824.12, 19,230.02 and 7,275.98 is: 10,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.12 : 19,230.02 = 7,275.98 : x
  2. Step 2: Convert to fraction form
    12,824.12/19,230.02 = 7,275.98/x
  3. Step 3: Cross multiply
    12,824.12x = 19,230.02 × 7,275.98
  4. Step 4: Simplify right side
    12,824.12x = 139,917,240.92
  5. Step 5: Solve for x
    x = 139,917,240.92/12,824.12
  6. Step 6: Final answer
    x = 10,910.48

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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.