Home / 20,053.18-30,079.41-6,905.26

Finding the Fourth Proportional to 20,053.18, 30,079.41 and 6,905.26

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Solution

The fourth proportional to 20,053.18, 30,079.41 and 6,905.26 is: 10,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.18 : 30,079.41 = 6,905.26 : x
  2. Step 2: Convert to fraction form
    20,053.18/30,079.41 = 6,905.26/x
  3. Step 3: Cross multiply
    20,053.18x = 30,079.41 × 6,905.26
  4. Step 4: Simplify right side
    20,053.18x = 207,706,146.70
  5. Step 5: Solve for x
    x = 207,706,146.70/20,053.18
  6. Step 6: Final answer
    x = 10,357.77

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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.