Home / 14,245.06-21,374.88-7,677.58

Finding the Fourth Proportional to 14,245.06, 21,374.88 and 7,677.58

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Solution

The fourth proportional to 14,245.06, 21,374.88 and 7,677.58 is: 11,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.06 : 21,374.88 = 7,677.58 : x
  2. Step 2: Convert to fraction form
    14,245.06/21,374.88 = 7,677.58/x
  3. Step 3: Cross multiply
    14,245.06x = 21,374.88 × 7,677.58
  4. Step 4: Simplify right side
    14,245.06x = 164,107,351.19
  5. Step 5: Solve for x
    x = 164,107,351.19/14,245.06
  6. Step 6: Final answer
    x = 11,520.30

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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.