Home / 11,830.62-16,325.63-7,354.28

Finding the Fourth Proportional to 11,830.62, 16,325.63 and 7,354.28

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Solution

The fourth proportional to 11,830.62, 16,325.63 and 7,354.28 is: 10,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.62 : 16,325.63 = 7,354.28 : x
  2. Step 2: Convert to fraction form
    11,830.62/16,325.63 = 7,354.28/x
  3. Step 3: Cross multiply
    11,830.62x = 16,325.63 × 7,354.28
  4. Step 4: Simplify right side
    11,830.62x = 120,063,135.80
  5. Step 5: Solve for x
    x = 120,063,135.80/11,830.62
  6. Step 6: Final answer
    x = 10,148.51

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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.