Home / 21,658.25-32,462.60-9,821.04

Finding the Fourth Proportional to 21,658.25, 32,462.60 and 9,821.04

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Solution

The fourth proportional to 21,658.25, 32,462.60 and 9,821.04 is: 14,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.25 : 32,462.60 = 9,821.04 : x
  2. Step 2: Convert to fraction form
    21,658.25/32,462.60 = 9,821.04/x
  3. Step 3: Cross multiply
    21,658.25x = 32,462.60 × 9,821.04
  4. Step 4: Simplify right side
    21,658.25x = 318,816,444.00
  5. Step 5: Solve for x
    x = 318,816,444.00/21,658.25
  6. Step 6: Final answer
    x = 14,720.33

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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.