Home / 12,347.76-17,039.52-6,758.80

Finding the Fourth Proportional to 12,347.76, 17,039.52 and 6,758.80

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Solution

The fourth proportional to 12,347.76, 17,039.52 and 6,758.80 is: 9,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.76 : 17,039.52 = 6,758.80 : x
  2. Step 2: Convert to fraction form
    12,347.76/17,039.52 = 6,758.80/x
  3. Step 3: Cross multiply
    12,347.76x = 17,039.52 × 6,758.80
  4. Step 4: Simplify right side
    12,347.76x = 115,166,707.78
  5. Step 5: Solve for x
    x = 115,166,707.78/12,347.76
  6. Step 6: Final answer
    x = 9,326.93

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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.