Home / 14,287.29-19,713.27-8,622.96

Finding the Fourth Proportional to 14,287.29, 19,713.27 and 8,622.96

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Solution

The fourth proportional to 14,287.29, 19,713.27 and 8,622.96 is: 11,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.29 : 19,713.27 = 8,622.96 : x
  2. Step 2: Convert to fraction form
    14,287.29/19,713.27 = 8,622.96/x
  3. Step 3: Cross multiply
    14,287.29x = 19,713.27 × 8,622.96
  4. Step 4: Simplify right side
    14,287.29x = 169,986,738.68
  5. Step 5: Solve for x
    x = 169,986,738.68/14,287.29
  6. Step 6: Final answer
    x = 11,897.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.