Home / 20,103.12-30,157.52-6,952.37

Finding the Fourth Proportional to 20,103.12, 30,157.52 and 6,952.37

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Solution

The fourth proportional to 20,103.12, 30,157.52 and 6,952.37 is: 10,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.12 : 30,157.52 = 6,952.37 : x
  2. Step 2: Convert to fraction form
    20,103.12/30,157.52 = 6,952.37/x
  3. Step 3: Cross multiply
    20,103.12x = 30,157.52 × 6,952.37
  4. Step 4: Simplify right side
    20,103.12x = 209,666,051.77
  5. Step 5: Solve for x
    x = 209,666,051.77/20,103.12
  6. Step 6: Final answer
    x = 10,429.53

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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.