Home / 16,997.76-25,502.40-8,784

Finding the Fourth Proportional to 16,997.76, 25,502.40 and 8,784

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Solution

The fourth proportional to 16,997.76, 25,502.40 and 8,784 is: 13,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.76 : 25,502.40 = 8,784 : x
  2. Step 2: Convert to fraction form
    16,997.76/25,502.40 = 8,784/x
  3. Step 3: Cross multiply
    16,997.76x = 25,502.40 × 8,784
  4. Step 4: Simplify right side
    16,997.76x = 224,013,081.60
  5. Step 5: Solve for x
    x = 224,013,081.60/16,997.76
  6. Step 6: Final answer
    x = 13,178.98

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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.