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Finding the Fourth Proportional to 17,761.09, 24,519.18 and 11,048.90

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Solution

The fourth proportional to 17,761.09, 24,519.18 and 11,048.90 is: 15,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.09 : 24,519.18 = 11,048.90 : x
  2. Step 2: Convert to fraction form
    17,761.09/24,519.18 = 11,048.90/x
  3. Step 3: Cross multiply
    17,761.09x = 24,519.18 × 11,048.90
  4. Step 4: Simplify right side
    17,761.09x = 270,909,962.51
  5. Step 5: Solve for x
    x = 270,909,962.51/17,761.09
  6. Step 6: Final answer
    x = 15,253.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.