Home / 19,243.32-28,842.57-8,146.32

Finding the Fourth Proportional to 19,243.32, 28,842.57 and 8,146.32

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Solution

The fourth proportional to 19,243.32, 28,842.57 and 8,146.32 is: 12,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.32 : 28,842.57 = 8,146.32 : x
  2. Step 2: Convert to fraction form
    19,243.32/28,842.57 = 8,146.32/x
  3. Step 3: Cross multiply
    19,243.32x = 28,842.57 × 8,146.32
  4. Step 4: Simplify right side
    19,243.32x = 234,960,804.84
  5. Step 5: Solve for x
    x = 234,960,804.84/19,243.32
  6. Step 6: Final answer
    x = 12,209.99

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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.