Home / 10,925.67-16,386.13-3,906.17

Finding the Fourth Proportional to 10,925.67, 16,386.13 and 3,906.17

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Solution

The fourth proportional to 10,925.67, 16,386.13 and 3,906.17 is: 5,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.67 : 16,386.13 = 3,906.17 : x
  2. Step 2: Convert to fraction form
    10,925.67/16,386.13 = 3,906.17/x
  3. Step 3: Cross multiply
    10,925.67x = 16,386.13 × 3,906.17
  4. Step 4: Simplify right side
    10,925.67x = 64,006,979.17
  5. Step 5: Solve for x
    x = 64,006,979.17/10,925.67
  6. Step 6: Final answer
    x = 5,858.40

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1.5x scale

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.