Home / 11,613.29-17,420.26-2,848.20

Finding the Fourth Proportional to 11,613.29, 17,420.26 and 2,848.20

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Solution

The fourth proportional to 11,613.29, 17,420.26 and 2,848.20 is: 4,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.29 : 17,420.26 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    11,613.29/17,420.26 = 2,848.20/x
  3. Step 3: Cross multiply
    11,613.29x = 17,420.26 × 2,848.20
  4. Step 4: Simplify right side
    11,613.29x = 49,616,384.53
  5. Step 5: Solve for x
    x = 49,616,384.53/11,613.29
  6. Step 6: Final answer
    x = 4,272.38

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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.