Home / 14,034.21-19,359.36-8,920.29

Finding the Fourth Proportional to 14,034.21, 19,359.36 and 8,920.29

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Solution

The fourth proportional to 14,034.21, 19,359.36 and 8,920.29 is: 12,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.21 : 19,359.36 = 8,920.29 : x
  2. Step 2: Convert to fraction form
    14,034.21/19,359.36 = 8,920.29/x
  3. Step 3: Cross multiply
    14,034.21x = 19,359.36 × 8,920.29
  4. Step 4: Simplify right side
    14,034.21x = 172,691,105.41
  5. Step 5: Solve for x
    x = 172,691,105.41/14,034.21
  6. Step 6: Final answer
    x = 12,305.01

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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.