Home / 19,210.41-28,801.62-12,954.88

Finding the Fourth Proportional to 19,210.41, 28,801.62 and 12,954.88

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Solution

The fourth proportional to 19,210.41, 28,801.62 and 12,954.88 is: 19,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.41 : 28,801.62 = 12,954.88 : x
  2. Step 2: Convert to fraction form
    19,210.41/28,801.62 = 12,954.88/x
  3. Step 3: Cross multiply
    19,210.41x = 28,801.62 × 12,954.88
  4. Step 4: Simplify right side
    19,210.41x = 373,121,466.13
  5. Step 5: Solve for x
    x = 373,121,466.13/19,210.41
  6. Step 6: Final answer
    x = 19,422.88

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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.