Home / 14,426.96-19,910.72-8,458.88

Finding the Fourth Proportional to 14,426.96, 19,910.72 and 8,458.88

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Solution

The fourth proportional to 14,426.96, 19,910.72 and 8,458.88 is: 11,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.96 : 19,910.72 = 8,458.88 : x
  2. Step 2: Convert to fraction form
    14,426.96/19,910.72 = 8,458.88/x
  3. Step 3: Cross multiply
    14,426.96x = 19,910.72 × 8,458.88
  4. Step 4: Simplify right side
    14,426.96x = 168,422,391.19
  5. Step 5: Solve for x
    x = 168,422,391.19/14,426.96
  6. Step 6: Final answer
    x = 11,674.14

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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.