Home / 14,243.88-21,365.16-4,382.72

Finding the Fourth Proportional to 14,243.88, 21,365.16 and 4,382.72

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Solution

The fourth proportional to 14,243.88, 21,365.16 and 4,382.72 is: 6,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.88 : 21,365.16 = 4,382.72 : x
  2. Step 2: Convert to fraction form
    14,243.88/21,365.16 = 4,382.72/x
  3. Step 3: Cross multiply
    14,243.88x = 21,365.16 × 4,382.72
  4. Step 4: Simplify right side
    14,243.88x = 93,637,514.04
  5. Step 5: Solve for x
    x = 93,637,514.04/14,243.88
  6. Step 6: Final answer
    x = 6,573.88

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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.