Home / 19,694.53-29,472.45-12,302.47

Finding the Fourth Proportional to 19,694.53, 29,472.45 and 12,302.47

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Solution

The fourth proportional to 19,694.53, 29,472.45 and 12,302.47 is: 18,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.53 : 29,472.45 = 12,302.47 : x
  2. Step 2: Convert to fraction form
    19,694.53/29,472.45 = 12,302.47/x
  3. Step 3: Cross multiply
    19,694.53x = 29,472.45 × 12,302.47
  4. Step 4: Simplify right side
    19,694.53x = 362,583,931.95
  5. Step 5: Solve for x
    x = 362,583,931.95/19,694.53
  6. Step 6: Final answer
    x = 18,410.39

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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.