Home / 12,609.12-17,403.52-7,306.80

Finding the Fourth Proportional to 12,609.12, 17,403.52 and 7,306.80

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Solution

The fourth proportional to 12,609.12, 17,403.52 and 7,306.80 is: 10,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.12 : 17,403.52 = 7,306.80 : x
  2. Step 2: Convert to fraction form
    12,609.12/17,403.52 = 7,306.80/x
  3. Step 3: Cross multiply
    12,609.12x = 17,403.52 × 7,306.80
  4. Step 4: Simplify right side
    12,609.12x = 127,164,039.94
  5. Step 5: Solve for x
    x = 127,164,039.94/12,609.12
  6. Step 6: Final answer
    x = 10,085.08

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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.