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Finding the Fourth Proportional to 18,041.54, 24,902.97 and 11,670.98

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Solution

The fourth proportional to 18,041.54, 24,902.97 and 11,670.98 is: 16,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.54 : 24,902.97 = 11,670.98 : x
  2. Step 2: Convert to fraction form
    18,041.54/24,902.97 = 11,670.98/x
  3. Step 3: Cross multiply
    18,041.54x = 24,902.97 × 11,670.98
  4. Step 4: Simplify right side
    18,041.54x = 290,642,064.81
  5. Step 5: Solve for x
    x = 290,642,064.81/18,041.54
  6. Step 6: Final answer
    x = 16,109.60

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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.