Home / 20,176.56-30,264.88-7,025.44

Finding the Fourth Proportional to 20,176.56, 30,264.88 and 7,025.44

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Solution

The fourth proportional to 20,176.56, 30,264.88 and 7,025.44 is: 10,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.56 : 30,264.88 = 7,025.44 : x
  2. Step 2: Convert to fraction form
    20,176.56/30,264.88 = 7,025.44/x
  3. Step 3: Cross multiply
    20,176.56x = 30,264.88 × 7,025.44
  4. Step 4: Simplify right side
    20,176.56x = 212,624,098.55
  5. Step 5: Solve for x
    x = 212,624,098.55/20,176.56
  6. Step 6: Final answer
    x = 10,538.17

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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.