Home / 12,338.64-18,510.30-4,017.96

Finding the Fourth Proportional to 12,338.64, 18,510.30 and 4,017.96

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Solution

The fourth proportional to 12,338.64, 18,510.30 and 4,017.96 is: 6,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.64 : 18,510.30 = 4,017.96 : x
  2. Step 2: Convert to fraction form
    12,338.64/18,510.30 = 4,017.96/x
  3. Step 3: Cross multiply
    12,338.64x = 18,510.30 × 4,017.96
  4. Step 4: Simplify right side
    12,338.64x = 74,373,644.99
  5. Step 5: Solve for x
    x = 74,373,644.99/12,338.64
  6. Step 6: Final answer
    x = 6,027.70

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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.