Home / 20,598.01-30,898.21-7,947.83

Finding the Fourth Proportional to 20,598.01, 30,898.21 and 7,947.83

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Solution

The fourth proportional to 20,598.01, 30,898.21 and 7,947.83 is: 11,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.01 : 30,898.21 = 7,947.83 : x
  2. Step 2: Convert to fraction form
    20,598.01/30,898.21 = 7,947.83/x
  3. Step 3: Cross multiply
    20,598.01x = 30,898.21 × 7,947.83
  4. Step 4: Simplify right side
    20,598.01x = 245,573,742.20
  5. Step 5: Solve for x
    x = 245,573,742.20/20,598.01
  6. Step 6: Final answer
    x = 11,922.21

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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.