Home / 9,438.12-14,150.97-5,278.57

Finding the Fourth Proportional to 9,438.12, 14,150.97 and 5,278.57

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Solution

The fourth proportional to 9,438.12, 14,150.97 and 5,278.57 is: 7,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.12 : 14,150.97 = 5,278.57 : x
  2. Step 2: Convert to fraction form
    9,438.12/14,150.97 = 5,278.57/x
  3. Step 3: Cross multiply
    9,438.12x = 14,150.97 × 5,278.57
  4. Step 4: Simplify right side
    9,438.12x = 74,696,850.34
  5. Step 5: Solve for x
    x = 74,696,850.34/9,438.12
  6. Step 6: Final answer
    x = 7,914.38

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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.