Home / 18,851.23-28,296.28-14,124.88

Finding the Fourth Proportional to 18,851.23, 28,296.28 and 14,124.88

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Solution

The fourth proportional to 18,851.23, 28,296.28 and 14,124.88 is: 21,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.23 : 28,296.28 = 14,124.88 : x
  2. Step 2: Convert to fraction form
    18,851.23/28,296.28 = 14,124.88/x
  3. Step 3: Cross multiply
    18,851.23x = 28,296.28 × 14,124.88
  4. Step 4: Simplify right side
    18,851.23x = 399,681,382.65
  5. Step 5: Solve for x
    x = 399,681,382.65/18,851.23
  6. Step 6: Final answer
    x = 21,201.88

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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.