Home / 19,582.26-29,377.02-12,607.56

Finding the Fourth Proportional to 19,582.26, 29,377.02 and 12,607.56

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Solution

The fourth proportional to 19,582.26, 29,377.02 and 12,607.56 is: 18,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.26 : 29,377.02 = 12,607.56 : x
  2. Step 2: Convert to fraction form
    19,582.26/29,377.02 = 12,607.56/x
  3. Step 3: Cross multiply
    19,582.26x = 29,377.02 × 12,607.56
  4. Step 4: Simplify right side
    19,582.26x = 370,372,542.27
  5. Step 5: Solve for x
    x = 370,372,542.27/19,582.26
  6. Step 6: Final answer
    x = 18,913.68

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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.