Home / 20,158.56-30,237.84-7,010.93

Finding the Fourth Proportional to 20,158.56, 30,237.84 and 7,010.93

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Solution

The fourth proportional to 20,158.56, 30,237.84 and 7,010.93 is: 10,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.56 : 30,237.84 = 7,010.93 : x
  2. Step 2: Convert to fraction form
    20,158.56/30,237.84 = 7,010.93/x
  3. Step 3: Cross multiply
    20,158.56x = 30,237.84 × 7,010.93
  4. Step 4: Simplify right side
    20,158.56x = 211,995,355.35
  5. Step 5: Solve for x
    x = 211,995,355.35/20,158.56
  6. Step 6: Final answer
    x = 10,516.39

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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.