Home / 21,074.67-31,613.46-6,282.45

Finding the Fourth Proportional to 21,074.67, 31,613.46 and 6,282.45

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Solution

The fourth proportional to 21,074.67, 31,613.46 and 6,282.45 is: 9,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.67 : 31,613.46 = 6,282.45 : x
  2. Step 2: Convert to fraction form
    21,074.67/31,613.46 = 6,282.45/x
  3. Step 3: Cross multiply
    21,074.67x = 31,613.46 × 6,282.45
  4. Step 4: Simplify right side
    21,074.67x = 198,609,981.78
  5. Step 5: Solve for x
    x = 198,609,981.78/21,074.67
  6. Step 6: Final answer
    x = 9,424.11

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1.5x scale

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.