Home / 20,100.19-30,150.27-6,952.66

Finding the Fourth Proportional to 20,100.19, 30,150.27 and 6,952.66

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Solution

The fourth proportional to 20,100.19, 30,150.27 and 6,952.66 is: 10,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.19 : 30,150.27 = 6,952.66 : x
  2. Step 2: Convert to fraction form
    20,100.19/30,150.27 = 6,952.66/x
  3. Step 3: Cross multiply
    20,100.19x = 30,150.27 × 6,952.66
  4. Step 4: Simplify right side
    20,100.19x = 209,624,576.22
  5. Step 5: Solve for x
    x = 209,624,576.22/20,100.19
  6. Step 6: Final answer
    x = 10,428.98

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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.