Home / 11,142.84-15,377.12-6,038.37

Finding the Fourth Proportional to 11,142.84, 15,377.12 and 6,038.37

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Solution

The fourth proportional to 11,142.84, 15,377.12 and 6,038.37 is: 8,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.84 : 15,377.12 = 6,038.37 : x
  2. Step 2: Convert to fraction form
    11,142.84/15,377.12 = 6,038.37/x
  3. Step 3: Cross multiply
    11,142.84x = 15,377.12 × 6,038.37
  4. Step 4: Simplify right side
    11,142.84x = 92,852,740.09
  5. Step 5: Solve for x
    x = 92,852,740.09/11,142.84
  6. Step 6: Final answer
    x = 8,332.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.