Home / 12,740.55-19,099.94-4,838.64

Finding the Fourth Proportional to 12,740.55, 19,099.94 and 4,838.64

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Solution

The fourth proportional to 12,740.55, 19,099.94 and 4,838.64 is: 7,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.55 : 19,099.94 = 4,838.64 : x
  2. Step 2: Convert to fraction form
    12,740.55/19,099.94 = 4,838.64/x
  3. Step 3: Cross multiply
    12,740.55x = 19,099.94 × 4,838.64
  4. Step 4: Simplify right side
    12,740.55x = 92,417,709.49
  5. Step 5: Solve for x
    x = 92,417,709.49/12,740.55
  6. Step 6: Final answer
    x = 7,253.82

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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.