Home / 12,303-16,982.28-8,001.88

Finding the Fourth Proportional to 12,303, 16,982.28 and 8,001.88

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Solution

The fourth proportional to 12,303, 16,982.28 and 8,001.88 is: 11,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303 : 16,982.28 = 8,001.88 : x
  2. Step 2: Convert to fraction form
    12,303/16,982.28 = 8,001.88/x
  3. Step 3: Cross multiply
    12,303x = 16,982.28 × 8,001.88
  4. Step 4: Simplify right side
    12,303x = 135,890,166.69
  5. Step 5: Solve for x
    x = 135,890,166.69/12,303
  6. Step 6: Final answer
    x = 11,045.29

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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.