Home / 10,925.10-16,391.09-3,904.95

Finding the Fourth Proportional to 10,925.10, 16,391.09 and 3,904.95

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Solution

The fourth proportional to 10,925.10, 16,391.09 and 3,904.95 is: 5,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.10 : 16,391.09 = 3,904.95 : x
  2. Step 2: Convert to fraction form
    10,925.10/16,391.09 = 3,904.95/x
  3. Step 3: Cross multiply
    10,925.10x = 16,391.09 × 3,904.95
  4. Step 4: Simplify right side
    10,925.10x = 64,006,386.90
  5. Step 5: Solve for x
    x = 64,006,386.90/10,925.10
  6. Step 6: Final answer
    x = 5,858.65

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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.