Home / 10,925.62-16,386.81-3,998.50

Finding the Fourth Proportional to 10,925.62, 16,386.81 and 3,998.50

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Solution

The fourth proportional to 10,925.62, 16,386.81 and 3,998.50 is: 5,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.62 : 16,386.81 = 3,998.50 : x
  2. Step 2: Convert to fraction form
    10,925.62/16,386.81 = 3,998.50/x
  3. Step 3: Cross multiply
    10,925.62x = 16,386.81 × 3,998.50
  4. Step 4: Simplify right side
    10,925.62x = 65,522,659.79
  5. Step 5: Solve for x
    x = 65,522,659.79/10,925.62
  6. Step 6: Final answer
    x = 5,997.16

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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.