Home / 14,227.12-19,633.08-8,259.28

Finding the Fourth Proportional to 14,227.12, 19,633.08 and 8,259.28

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Solution

The fourth proportional to 14,227.12, 19,633.08 and 8,259.28 is: 11,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.12 : 19,633.08 = 8,259.28 : x
  2. Step 2: Convert to fraction form
    14,227.12/19,633.08 = 8,259.28/x
  3. Step 3: Cross multiply
    14,227.12x = 19,633.08 × 8,259.28
  4. Step 4: Simplify right side
    14,227.12x = 162,155,104.98
  5. Step 5: Solve for x
    x = 162,155,104.98/14,227.12
  6. Step 6: Final answer
    x = 11,397.61

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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.