Home / 21,654.70-32,457.43-9,166.92

Finding the Fourth Proportional to 21,654.70, 32,457.43 and 9,166.92

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Solution

The fourth proportional to 21,654.70, 32,457.43 and 9,166.92 is: 13,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.70 : 32,457.43 = 9,166.92 : x
  2. Step 2: Convert to fraction form
    21,654.70/32,457.43 = 9,166.92/x
  3. Step 3: Cross multiply
    21,654.70x = 32,457.43 × 9,166.92
  4. Step 4: Simplify right side
    21,654.70x = 297,534,664.22
  5. Step 5: Solve for x
    x = 297,534,664.22/21,654.70
  6. Step 6: Final answer
    x = 13,739.96

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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.