Home / 8,214.58-12,336.72-7,555.27

Finding the Fourth Proportional to 8,214.58, 12,336.72 and 7,555.27

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Solution

The fourth proportional to 8,214.58, 12,336.72 and 7,555.27 is: 11,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.58 : 12,336.72 = 7,555.27 : x
  2. Step 2: Convert to fraction form
    8,214.58/12,336.72 = 7,555.27/x
  3. Step 3: Cross multiply
    8,214.58x = 12,336.72 × 7,555.27
  4. Step 4: Simplify right side
    8,214.58x = 93,207,250.51
  5. Step 5: Solve for x
    x = 93,207,250.51/8,214.58
  6. Step 6: Final answer
    x = 11,346.56

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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.