Home / 11,581.10-17,327.37-6,390.62

Finding the Fourth Proportional to 11,581.10, 17,327.37 and 6,390.62

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Solution

The fourth proportional to 11,581.10, 17,327.37 and 6,390.62 is: 9,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.10 : 17,327.37 = 6,390.62 : x
  2. Step 2: Convert to fraction form
    11,581.10/17,327.37 = 6,390.62/x
  3. Step 3: Cross multiply
    11,581.10x = 17,327.37 × 6,390.62
  4. Step 4: Simplify right side
    11,581.10x = 110,732,637.27
  5. Step 5: Solve for x
    x = 110,732,637.27/11,581.10
  6. Step 6: Final answer
    x = 9,561.50

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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.