Home / 12,317.09-16,997.72-7,011.99

Finding the Fourth Proportional to 12,317.09, 16,997.72 and 7,011.99

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Solution

The fourth proportional to 12,317.09, 16,997.72 and 7,011.99 is: 9,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.09 : 16,997.72 = 7,011.99 : x
  2. Step 2: Convert to fraction form
    12,317.09/16,997.72 = 7,011.99/x
  3. Step 3: Cross multiply
    12,317.09x = 16,997.72 × 7,011.99
  4. Step 4: Simplify right side
    12,317.09x = 119,187,807.60
  5. Step 5: Solve for x
    x = 119,187,807.60/12,317.09
  6. Step 6: Final answer
    x = 9,676.62

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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.