Home / 12,927.04-19,390.56-3,693.12

Finding the Fourth Proportional to 12,927.04, 19,390.56 and 3,693.12

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Solution

The fourth proportional to 12,927.04, 19,390.56 and 3,693.12 is: 5,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.04 : 19,390.56 = 3,693.12 : x
  2. Step 2: Convert to fraction form
    12,927.04/19,390.56 = 3,693.12/x
  3. Step 3: Cross multiply
    12,927.04x = 19,390.56 × 3,693.12
  4. Step 4: Simplify right side
    12,927.04x = 71,611,664.95
  5. Step 5: Solve for x
    x = 71,611,664.95/12,927.04
  6. Step 6: Final answer
    x = 5,539.68

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Double scale
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Similar ratio
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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.