Home / 11,039.10-15,228.60-6,559.68

Finding the Fourth Proportional to 11,039.10, 15,228.60 and 6,559.68

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Solution

The fourth proportional to 11,039.10, 15,228.60 and 6,559.68 is: 9,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.10 : 15,228.60 = 6,559.68 : x
  2. Step 2: Convert to fraction form
    11,039.10/15,228.60 = 6,559.68/x
  3. Step 3: Cross multiply
    11,039.10x = 15,228.60 × 6,559.68
  4. Step 4: Simplify right side
    11,039.10x = 99,894,742.85
  5. Step 5: Solve for x
    x = 99,894,742.85/11,039.10
  6. Step 6: Final answer
    x = 9,049.17

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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.