Home / 21,481.77-32,209.70-9,633.40

Finding the Fourth Proportional to 21,481.77, 32,209.70 and 9,633.40

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Solution

The fourth proportional to 21,481.77, 32,209.70 and 9,633.40 is: 14,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.77 : 32,209.70 = 9,633.40 : x
  2. Step 2: Convert to fraction form
    21,481.77/32,209.70 = 9,633.40/x
  3. Step 3: Cross multiply
    21,481.77x = 32,209.70 × 9,633.40
  4. Step 4: Simplify right side
    21,481.77x = 310,288,762.93
  5. Step 5: Solve for x
    x = 310,288,762.93/21,481.77
  6. Step 6: Final answer
    x = 14,444.29

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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.