Home / 16,899.84-25,332.72-8,130

Finding the Fourth Proportional to 16,899.84, 25,332.72 and 8,130

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Solution

The fourth proportional to 16,899.84, 25,332.72 and 8,130 is: 12,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.84 : 25,332.72 = 8,130 : x
  2. Step 2: Convert to fraction form
    16,899.84/25,332.72 = 8,130/x
  3. Step 3: Cross multiply
    16,899.84x = 25,332.72 × 8,130
  4. Step 4: Simplify right side
    16,899.84x = 205,955,013.60
  5. Step 5: Solve for x
    x = 205,955,013.60/16,899.84
  6. Step 6: Final answer
    x = 12,186.80

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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.