Home / 21,374.10-32,085.45-12,613.95

Finding the Fourth Proportional to 21,374.10, 32,085.45 and 12,613.95

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Solution

The fourth proportional to 21,374.10, 32,085.45 and 12,613.95 is: 18,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.10 : 32,085.45 = 12,613.95 : x
  2. Step 2: Convert to fraction form
    21,374.10/32,085.45 = 12,613.95/x
  3. Step 3: Cross multiply
    21,374.10x = 32,085.45 × 12,613.95
  4. Step 4: Simplify right side
    21,374.10x = 404,724,262.03
  5. Step 5: Solve for x
    x = 404,724,262.03/21,374.10
  6. Step 6: Final answer
    x = 18,935.27

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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.