Home / 11,354.38-15,671.21-7,519.26

Finding the Fourth Proportional to 11,354.38, 15,671.21 and 7,519.26

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Solution

The fourth proportional to 11,354.38, 15,671.21 and 7,519.26 is: 10,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.38 : 15,671.21 = 7,519.26 : x
  2. Step 2: Convert to fraction form
    11,354.38/15,671.21 = 7,519.26/x
  3. Step 3: Cross multiply
    11,354.38x = 15,671.21 × 7,519.26
  4. Step 4: Simplify right side
    11,354.38x = 117,835,824.15
  5. Step 5: Solve for x
    x = 117,835,824.15/11,354.38
  6. Step 6: Final answer
    x = 10,378.01

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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.