Home / 19,368.50-29,052.60-12,793.13

Finding the Fourth Proportional to 19,368.50, 29,052.60 and 12,793.13

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Solution

The fourth proportional to 19,368.50, 29,052.60 and 12,793.13 is: 19,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.50 : 29,052.60 = 12,793.13 : x
  2. Step 2: Convert to fraction form
    19,368.50/29,052.60 = 12,793.13/x
  3. Step 3: Cross multiply
    19,368.50x = 29,052.60 × 12,793.13
  4. Step 4: Simplify right side
    19,368.50x = 371,673,543.38
  5. Step 5: Solve for x
    x = 371,673,543.38/19,368.50
  6. Step 6: Final answer
    x = 19,189.59

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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.