Home / 20,395.94-30,569.30-10,529.83

Finding the Fourth Proportional to 20,395.94, 30,569.30 and 10,529.83

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Solution

The fourth proportional to 20,395.94, 30,569.30 and 10,529.83 is: 15,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.94 : 30,569.30 = 10,529.83 : x
  2. Step 2: Convert to fraction form
    20,395.94/30,569.30 = 10,529.83/x
  3. Step 3: Cross multiply
    20,395.94x = 30,569.30 × 10,529.83
  4. Step 4: Simplify right side
    20,395.94x = 321,889,557.27
  5. Step 5: Solve for x
    x = 321,889,557.27/20,395.94
  6. Step 6: Final answer
    x = 15,782.04

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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.