Home / 8,814.06-13,228.38-6,615.72

Finding the Fourth Proportional to 8,814.06, 13,228.38 and 6,615.72

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Solution

The fourth proportional to 8,814.06, 13,228.38 and 6,615.72 is: 9,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.06 : 13,228.38 = 6,615.72 : x
  2. Step 2: Convert to fraction form
    8,814.06/13,228.38 = 6,615.72/x
  3. Step 3: Cross multiply
    8,814.06x = 13,228.38 × 6,615.72
  4. Step 4: Simplify right side
    8,814.06x = 87,515,258.13
  5. Step 5: Solve for x
    x = 87,515,258.13/8,814.06
  6. Step 6: Final answer
    x = 9,929.05

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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.