Home / 12,551.64-18,815.93-4,337.88

Finding the Fourth Proportional to 12,551.64, 18,815.93 and 4,337.88

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Solution

The fourth proportional to 12,551.64, 18,815.93 and 4,337.88 is: 6,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.64 : 18,815.93 = 4,337.88 : x
  2. Step 2: Convert to fraction form
    12,551.64/18,815.93 = 4,337.88/x
  3. Step 3: Cross multiply
    12,551.64x = 18,815.93 × 4,337.88
  4. Step 4: Simplify right side
    12,551.64x = 81,621,163.19
  5. Step 5: Solve for x
    x = 81,621,163.19/12,551.64
  6. Step 6: Final answer
    x = 6,502.83

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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.