Home / 12,927.58-19,385.88-4,609.69

Finding the Fourth Proportional to 12,927.58, 19,385.88 and 4,609.69

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Solution

The fourth proportional to 12,927.58, 19,385.88 and 4,609.69 is: 6,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.58 : 19,385.88 = 4,609.69 : x
  2. Step 2: Convert to fraction form
    12,927.58/19,385.88 = 4,609.69/x
  3. Step 3: Cross multiply
    12,927.58x = 19,385.88 × 4,609.69
  4. Step 4: Simplify right side
    12,927.58x = 89,362,897.18
  5. Step 5: Solve for x
    x = 89,362,897.18/12,927.58
  6. Step 6: Final answer
    x = 6,912.58

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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.