Home / 14,826.58-20,459.79-8,112.22

Finding the Fourth Proportional to 14,826.58, 20,459.79 and 8,112.22

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Solution

The fourth proportional to 14,826.58, 20,459.79 and 8,112.22 is: 11,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.58 : 20,459.79 = 8,112.22 : x
  2. Step 2: Convert to fraction form
    14,826.58/20,459.79 = 8,112.22/x
  3. Step 3: Cross multiply
    14,826.58x = 20,459.79 × 8,112.22
  4. Step 4: Simplify right side
    14,826.58x = 165,974,266.48
  5. Step 5: Solve for x
    x = 165,974,266.48/14,826.58
  6. Step 6: Final answer
    x = 11,194.37

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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.