Home / 12,326.60-17,012.46-7,021.91

Finding the Fourth Proportional to 12,326.60, 17,012.46 and 7,021.91

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Solution

The fourth proportional to 12,326.60, 17,012.46 and 7,021.91 is: 9,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.60 : 17,012.46 = 7,021.91 : x
  2. Step 2: Convert to fraction form
    12,326.60/17,012.46 = 7,021.91/x
  3. Step 3: Cross multiply
    12,326.60x = 17,012.46 × 7,021.91
  4. Step 4: Simplify right side
    12,326.60x = 119,459,877.94
  5. Step 5: Solve for x
    x = 119,459,877.94/12,326.60
  6. Step 6: Final answer
    x = 9,691.23

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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.