Home / 12,263.40-18,396.45-4,473.90

Finding the Fourth Proportional to 12,263.40, 18,396.45 and 4,473.90

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Solution

The fourth proportional to 12,263.40, 18,396.45 and 4,473.90 is: 6,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.40 : 18,396.45 = 4,473.90 : x
  2. Step 2: Convert to fraction form
    12,263.40/18,396.45 = 4,473.90/x
  3. Step 3: Cross multiply
    12,263.40x = 18,396.45 × 4,473.90
  4. Step 4: Simplify right side
    12,263.40x = 82,303,877.66
  5. Step 5: Solve for x
    x = 82,303,877.66/12,263.40
  6. Step 6: Final answer
    x = 6,711.34

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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.