Home / 19,368.30-29,052.45-12,801.90

Finding the Fourth Proportional to 19,368.30, 29,052.45 and 12,801.90

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Solution

The fourth proportional to 19,368.30, 29,052.45 and 12,801.90 is: 19,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.30 : 29,052.45 = 12,801.90 : x
  2. Step 2: Convert to fraction form
    19,368.30/29,052.45 = 12,801.90/x
  3. Step 3: Cross multiply
    19,368.30x = 29,052.45 × 12,801.90
  4. Step 4: Simplify right side
    19,368.30x = 371,926,559.66
  5. Step 5: Solve for x
    x = 371,926,559.66/19,368.30
  6. Step 6: Final answer
    x = 19,202.85

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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.