Home / 21,073.16-31,613.84-6,281.75

Finding the Fourth Proportional to 21,073.16, 31,613.84 and 6,281.75

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Solution

The fourth proportional to 21,073.16, 31,613.84 and 6,281.75 is: 9,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.16 : 31,613.84 = 6,281.75 : x
  2. Step 2: Convert to fraction form
    21,073.16/31,613.84 = 6,281.75/x
  3. Step 3: Cross multiply
    21,073.16x = 31,613.84 × 6,281.75
  4. Step 4: Simplify right side
    21,073.16x = 198,590,345.94
  5. Step 5: Solve for x
    x = 198,590,345.94/21,073.16
  6. Step 6: Final answer
    x = 9,423.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.