Home / 12,167.37-16,789.45-7,130.44

Finding the Fourth Proportional to 12,167.37, 16,789.45 and 7,130.44

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Solution

The fourth proportional to 12,167.37, 16,789.45 and 7,130.44 is: 9,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.37 : 16,789.45 = 7,130.44 : x
  2. Step 2: Convert to fraction form
    12,167.37/16,789.45 = 7,130.44/x
  3. Step 3: Cross multiply
    12,167.37x = 16,789.45 × 7,130.44
  4. Step 4: Simplify right side
    12,167.37x = 119,716,127.05
  5. Step 5: Solve for x
    x = 119,716,127.05/12,167.37
  6. Step 6: Final answer
    x = 9,839.11

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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.