Home / 11,288.80-15,581.04-6,575.81

Finding the Fourth Proportional to 11,288.80, 15,581.04 and 6,575.81

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Solution

The fourth proportional to 11,288.80, 15,581.04 and 6,575.81 is: 9,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.80 : 15,581.04 = 6,575.81 : x
  2. Step 2: Convert to fraction form
    11,288.80/15,581.04 = 6,575.81/x
  3. Step 3: Cross multiply
    11,288.80x = 15,581.04 × 6,575.81
  4. Step 4: Simplify right side
    11,288.80x = 102,457,958.64
  5. Step 5: Solve for x
    x = 102,457,958.64/11,288.80
  6. Step 6: Final answer
    x = 9,076.08

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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.