Home / 14,272.96-21,355.68-9,898.88

Finding the Fourth Proportional to 14,272.96, 21,355.68 and 9,898.88

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Solution

The fourth proportional to 14,272.96, 21,355.68 and 9,898.88 is: 14,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.96 : 21,355.68 = 9,898.88 : x
  2. Step 2: Convert to fraction form
    14,272.96/21,355.68 = 9,898.88/x
  3. Step 3: Cross multiply
    14,272.96x = 21,355.68 × 9,898.88
  4. Step 4: Simplify right side
    14,272.96x = 211,397,313.64
  5. Step 5: Solve for x
    x = 211,397,313.64/14,272.96
  6. Step 6: Final answer
    x = 14,811.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.