Home / 12,339.48-17,029.80-7,034.76

Finding the Fourth Proportional to 12,339.48, 17,029.80 and 7,034.76

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Solution

The fourth proportional to 12,339.48, 17,029.80 and 7,034.76 is: 9,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.48 : 17,029.80 = 7,034.76 : x
  2. Step 2: Convert to fraction form
    12,339.48/17,029.80 = 7,034.76/x
  3. Step 3: Cross multiply
    12,339.48x = 17,029.80 × 7,034.76
  4. Step 4: Simplify right side
    12,339.48x = 119,800,555.85
  5. Step 5: Solve for x
    x = 119,800,555.85/12,339.48
  6. Step 6: Final answer
    x = 9,708.72

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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.