Home / 20,262.15-30,394.98-5,471.01

Finding the Fourth Proportional to 20,262.15, 30,394.98 and 5,471.01

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Solution

The fourth proportional to 20,262.15, 30,394.98 and 5,471.01 is: 8,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.15 : 30,394.98 = 5,471.01 : x
  2. Step 2: Convert to fraction form
    20,262.15/30,394.98 = 5,471.01/x
  3. Step 3: Cross multiply
    20,262.15x = 30,394.98 × 5,471.01
  4. Step 4: Simplify right side
    20,262.15x = 166,291,239.53
  5. Step 5: Solve for x
    x = 166,291,239.53/20,262.15
  6. Step 6: Final answer
    x = 8,206.99

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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.