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Finding the Fourth Proportional to 17,393.58, 24,015.62 and 10,688.20

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Solution

The fourth proportional to 17,393.58, 24,015.62 and 10,688.20 is: 14,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.58 : 24,015.62 = 10,688.20 : x
  2. Step 2: Convert to fraction form
    17,393.58/24,015.62 = 10,688.20/x
  3. Step 3: Cross multiply
    17,393.58x = 24,015.62 × 10,688.20
  4. Step 4: Simplify right side
    17,393.58x = 256,683,716.37
  5. Step 5: Solve for x
    x = 256,683,716.37/17,393.58
  6. Step 6: Final answer
    x = 14,757.38

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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.