Home / 20,395.04-30,595.79-8,708.36

Finding the Fourth Proportional to 20,395.04, 30,595.79 and 8,708.36

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Solution

The fourth proportional to 20,395.04, 30,595.79 and 8,708.36 is: 13,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.04 : 30,595.79 = 8,708.36 : x
  2. Step 2: Convert to fraction form
    20,395.04/30,595.79 = 8,708.36/x
  3. Step 3: Cross multiply
    20,395.04x = 30,595.79 × 8,708.36
  4. Step 4: Simplify right side
    20,395.04x = 266,439,022.60
  5. Step 5: Solve for x
    x = 266,439,022.60/20,395.04
  6. Step 6: Final answer
    x = 13,063.92

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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.