Home / 13,570.32-20,355.30-4,803.96

Finding the Fourth Proportional to 13,570.32, 20,355.30 and 4,803.96

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Solution

The fourth proportional to 13,570.32, 20,355.30 and 4,803.96 is: 7,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.32 : 20,355.30 = 4,803.96 : x
  2. Step 2: Convert to fraction form
    13,570.32/20,355.30 = 4,803.96/x
  3. Step 3: Cross multiply
    13,570.32x = 20,355.30 × 4,803.96
  4. Step 4: Simplify right side
    13,570.32x = 97,786,046.99
  5. Step 5: Solve for x
    x = 97,786,046.99/13,570.32
  6. Step 6: Final answer
    x = 7,205.88

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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.