Home / 10,318.45-15,476.71-2,922.74

Finding the Fourth Proportional to 10,318.45, 15,476.71 and 2,922.74

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Solution

The fourth proportional to 10,318.45, 15,476.71 and 2,922.74 is: 4,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.45 : 15,476.71 = 2,922.74 : x
  2. Step 2: Convert to fraction form
    10,318.45/15,476.71 = 2,922.74/x
  3. Step 3: Cross multiply
    10,318.45x = 15,476.71 × 2,922.74
  4. Step 4: Simplify right side
    10,318.45x = 45,234,399.39
  5. Step 5: Solve for x
    x = 45,234,399.39/10,318.45
  6. Step 6: Final answer
    x = 4,383.84

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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.