Home / 20,160.70-30,246.01-7,013.18

Finding the Fourth Proportional to 20,160.70, 30,246.01 and 7,013.18

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Solution

The fourth proportional to 20,160.70, 30,246.01 and 7,013.18 is: 10,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.70 : 30,246.01 = 7,013.18 : x
  2. Step 2: Convert to fraction form
    20,160.70/30,246.01 = 7,013.18/x
  3. Step 3: Cross multiply
    20,160.70x = 30,246.01 × 7,013.18
  4. Step 4: Simplify right side
    20,160.70x = 212,120,770.49
  5. Step 5: Solve for x
    x = 212,120,770.49/20,160.70
  6. Step 6: Final answer
    x = 10,521.50

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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.