Home / 21,654.75-32,457.34-9,817.54

Finding the Fourth Proportional to 21,654.75, 32,457.34 and 9,817.54

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Solution

The fourth proportional to 21,654.75, 32,457.34 and 9,817.54 is: 14,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.75 : 32,457.34 = 9,817.54 : x
  2. Step 2: Convert to fraction form
    21,654.75/32,457.34 = 9,817.54/x
  3. Step 3: Cross multiply
    21,654.75x = 32,457.34 × 9,817.54
  4. Step 4: Simplify right side
    21,654.75x = 318,651,233.74
  5. Step 5: Solve for x
    x = 318,651,233.74/21,654.75
  6. Step 6: Final answer
    x = 14,715.07

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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.