Home / 9,380.70-12,943.67-5,401.58

Finding the Fourth Proportional to 9,380.70, 12,943.67 and 5,401.58

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Solution

The fourth proportional to 9,380.70, 12,943.67 and 5,401.58 is: 7,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.70 : 12,943.67 = 5,401.58 : x
  2. Step 2: Convert to fraction form
    9,380.70/12,943.67 = 5,401.58/x
  3. Step 3: Cross multiply
    9,380.70x = 12,943.67 × 5,401.58
  4. Step 4: Simplify right side
    9,380.70x = 69,916,177.27
  5. Step 5: Solve for x
    x = 69,916,177.27/9,380.70
  6. Step 6: Final answer
    x = 7,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.