Home / 19,162.41-28,729.22-12,904.86

Finding the Fourth Proportional to 19,162.41, 28,729.22 and 12,904.86

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Solution

The fourth proportional to 19,162.41, 28,729.22 and 12,904.86 is: 19,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.41 : 28,729.22 = 12,904.86 : x
  2. Step 2: Convert to fraction form
    19,162.41/28,729.22 = 12,904.86/x
  3. Step 3: Cross multiply
    19,162.41x = 28,729.22 × 12,904.86
  4. Step 4: Simplify right side
    19,162.41x = 370,746,562.01
  5. Step 5: Solve for x
    x = 370,746,562.01/19,162.41
  6. Step 6: Final answer
    x = 19,347.60

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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.