Home / 21,934.80-32,901.48-8,783.64

Finding the Fourth Proportional to 21,934.80, 32,901.48 and 8,783.64

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Solution

The fourth proportional to 21,934.80, 32,901.48 and 8,783.64 is: 13,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.80 : 32,901.48 = 8,783.64 : x
  2. Step 2: Convert to fraction form
    21,934.80/32,901.48 = 8,783.64/x
  3. Step 3: Cross multiply
    21,934.80x = 32,901.48 × 8,783.64
  4. Step 4: Simplify right side
    21,934.80x = 288,994,755.79
  5. Step 5: Solve for x
    x = 288,994,755.79/21,934.80
  6. Step 6: Final answer
    x = 13,175.17

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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.