Home / 21,553.64-32,330.47-6,763.71

Finding the Fourth Proportional to 21,553.64, 32,330.47 and 6,763.71

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Solution

The fourth proportional to 21,553.64, 32,330.47 and 6,763.71 is: 10,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.64 : 32,330.47 = 6,763.71 : x
  2. Step 2: Convert to fraction form
    21,553.64/32,330.47 = 6,763.71/x
  3. Step 3: Cross multiply
    21,553.64x = 32,330.47 × 6,763.71
  4. Step 4: Simplify right side
    21,553.64x = 218,673,923.24
  5. Step 5: Solve for x
    x = 218,673,923.24/21,553.64
  6. Step 6: Final answer
    x = 10,145.57

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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.