Home / 21,939.24-32,909.58-6,357

Finding the Fourth Proportional to 21,939.24, 32,909.58 and 6,357

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Solution

The fourth proportional to 21,939.24, 32,909.58 and 6,357 is: 9,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939.24 : 32,909.58 = 6,357 : x
  2. Step 2: Convert to fraction form
    21,939.24/32,909.58 = 6,357/x
  3. Step 3: Cross multiply
    21,939.24x = 32,909.58 × 6,357
  4. Step 4: Simplify right side
    21,939.24x = 209,206,200.06
  5. Step 5: Solve for x
    x = 209,206,200.06/21,939.24
  6. Step 6: Final answer
    x = 9,535.71

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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.