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Finding the Fourth Proportional to 17,477.60, 24,135.03 and 11,200.91

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Solution

The fourth proportional to 17,477.60, 24,135.03 and 11,200.91 is: 15,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.60 : 24,135.03 = 11,200.91 : x
  2. Step 2: Convert to fraction form
    17,477.60/24,135.03 = 11,200.91/x
  3. Step 3: Cross multiply
    17,477.60x = 24,135.03 × 11,200.91
  4. Step 4: Simplify right side
    17,477.60x = 270,334,178.20
  5. Step 5: Solve for x
    x = 270,334,178.20/17,477.60
  6. Step 6: Final answer
    x = 15,467.47

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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.