Home / 12,696.96-19,045.44-3,931.95

Finding the Fourth Proportional to 12,696.96, 19,045.44 and 3,931.95

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Solution

The fourth proportional to 12,696.96, 19,045.44 and 3,931.95 is: 5,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.96 : 19,045.44 = 3,931.95 : x
  2. Step 2: Convert to fraction form
    12,696.96/19,045.44 = 3,931.95/x
  3. Step 3: Cross multiply
    12,696.96x = 19,045.44 × 3,931.95
  4. Step 4: Simplify right side
    12,696.96x = 74,885,717.81
  5. Step 5: Solve for x
    x = 74,885,717.81/12,696.96
  6. Step 6: Final answer
    x = 5,897.93

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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.