Home / 20,070.14-30,109.24-6,923.02

Finding the Fourth Proportional to 20,070.14, 30,109.24 and 6,923.02

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Solution

The fourth proportional to 20,070.14, 30,109.24 and 6,923.02 is: 10,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.14 : 30,109.24 = 6,923.02 : x
  2. Step 2: Convert to fraction form
    20,070.14/30,109.24 = 6,923.02/x
  3. Step 3: Cross multiply
    20,070.14x = 30,109.24 × 6,923.02
  4. Step 4: Simplify right side
    20,070.14x = 208,446,870.70
  5. Step 5: Solve for x
    x = 208,446,870.70/20,070.14
  6. Step 6: Final answer
    x = 10,385.92

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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.