Home / 10,838.81-16,260.65-3,913.31

Finding the Fourth Proportional to 10,838.81, 16,260.65 and 3,913.31

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Solution

The fourth proportional to 10,838.81, 16,260.65 and 3,913.31 is: 5,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.81 : 16,260.65 = 3,913.31 : x
  2. Step 2: Convert to fraction form
    10,838.81/16,260.65 = 3,913.31/x
  3. Step 3: Cross multiply
    10,838.81x = 16,260.65 × 3,913.31
  4. Step 4: Simplify right side
    10,838.81x = 63,633,000.01
  5. Step 5: Solve for x
    x = 63,633,000.01/10,838.81
  6. Step 6: Final answer
    x = 5,870.85

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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.