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Finding the Fourth Proportional to 15,994.86, 23,992.29 and 5,606.64

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Solution

The fourth proportional to 15,994.86, 23,992.29 and 5,606.64 is: 8,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.86 : 23,992.29 = 5,606.64 : x
  2. Step 2: Convert to fraction form
    15,994.86/23,992.29 = 5,606.64/x
  3. Step 3: Cross multiply
    15,994.86x = 23,992.29 × 5,606.64
  4. Step 4: Simplify right side
    15,994.86x = 134,516,132.81
  5. Step 5: Solve for x
    x = 134,516,132.81/15,994.86
  6. Step 6: Final answer
    x = 8,409.96

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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.