Home / 18,374.27-27,565.04-6,688.40

Finding the Fourth Proportional to 18,374.27, 27,565.04 and 6,688.40

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Solution

The fourth proportional to 18,374.27, 27,565.04 and 6,688.40 is: 10,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.27 : 27,565.04 = 6,688.40 : x
  2. Step 2: Convert to fraction form
    18,374.27/27,565.04 = 6,688.40/x
  3. Step 3: Cross multiply
    18,374.27x = 27,565.04 × 6,688.40
  4. Step 4: Simplify right side
    18,374.27x = 184,365,892.43
  5. Step 5: Solve for x
    x = 184,365,892.43/18,374.27
  6. Step 6: Final answer
    x = 10,033.92

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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.