Home / 10,613.81-15,920.69-2,822.62

Finding the Fourth Proportional to 10,613.81, 15,920.69 and 2,822.62

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Solution

The fourth proportional to 10,613.81, 15,920.69 and 2,822.62 is: 4,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.81 : 15,920.69 = 2,822.62 : x
  2. Step 2: Convert to fraction form
    10,613.81/15,920.69 = 2,822.62/x
  3. Step 3: Cross multiply
    10,613.81x = 15,920.69 × 2,822.62
  4. Step 4: Simplify right side
    10,613.81x = 44,938,014.68
  5. Step 5: Solve for x
    x = 44,938,014.68/10,613.81
  6. Step 6: Final answer
    x = 4,233.92

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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.