Home / 11,270.34-16,909.56-7,579.58

Finding the Fourth Proportional to 11,270.34, 16,909.56 and 7,579.58

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Solution

The fourth proportional to 11,270.34, 16,909.56 and 7,579.58 is: 11,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.34 : 16,909.56 = 7,579.58 : x
  2. Step 2: Convert to fraction form
    11,270.34/16,909.56 = 7,579.58/x
  3. Step 3: Cross multiply
    11,270.34x = 16,909.56 × 7,579.58
  4. Step 4: Simplify right side
    11,270.34x = 128,167,278.24
  5. Step 5: Solve for x
    x = 128,167,278.24/11,270.34
  6. Step 6: Final answer
    x = 11,372.09

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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.