Home / 8,914.35-12,291.72-6,669.03

Finding the Fourth Proportional to 8,914.35, 12,291.72 and 6,669.03

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Solution

The fourth proportional to 8,914.35, 12,291.72 and 6,669.03 is: 9,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.35 : 12,291.72 = 6,669.03 : x
  2. Step 2: Convert to fraction form
    8,914.35/12,291.72 = 6,669.03/x
  3. Step 3: Cross multiply
    8,914.35x = 12,291.72 × 6,669.03
  4. Step 4: Simplify right side
    8,914.35x = 81,973,870.52
  5. Step 5: Solve for x
    x = 81,973,870.52/8,914.35
  6. Step 6: Final answer
    x = 9,195.72

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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.