Home / 12,317.29-16,999.94-7,011.38

Finding the Fourth Proportional to 12,317.29, 16,999.94 and 7,011.38

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Solution

The fourth proportional to 12,317.29, 16,999.94 and 7,011.38 is: 9,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.29 : 16,999.94 = 7,011.38 : x
  2. Step 2: Convert to fraction form
    12,317.29/16,999.94 = 7,011.38/x
  3. Step 3: Cross multiply
    12,317.29x = 16,999.94 × 7,011.38
  4. Step 4: Simplify right side
    12,317.29x = 119,193,039.32
  5. Step 5: Solve for x
    x = 119,193,039.32/12,317.29
  6. Step 6: Final answer
    x = 9,676.89

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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.