Home / 10,815.84-16,223.72-4,237.38

Finding the Fourth Proportional to 10,815.84, 16,223.72 and 4,237.38

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Solution

The fourth proportional to 10,815.84, 16,223.72 and 4,237.38 is: 6,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.84 : 16,223.72 = 4,237.38 : x
  2. Step 2: Convert to fraction form
    10,815.84/16,223.72 = 4,237.38/x
  3. Step 3: Cross multiply
    10,815.84x = 16,223.72 × 4,237.38
  4. Step 4: Simplify right side
    10,815.84x = 68,746,045.47
  5. Step 5: Solve for x
    x = 68,746,045.47/10,815.84
  6. Step 6: Final answer
    x = 6,356.05

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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.