Home / 12,029.98-18,047.70-3,710.74

Finding the Fourth Proportional to 12,029.98, 18,047.70 and 3,710.74

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Solution

The fourth proportional to 12,029.98, 18,047.70 and 3,710.74 is: 5,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.98 : 18,047.70 = 3,710.74 : x
  2. Step 2: Convert to fraction form
    12,029.98/18,047.70 = 3,710.74/x
  3. Step 3: Cross multiply
    12,029.98x = 18,047.70 × 3,710.74
  4. Step 4: Simplify right side
    12,029.98x = 66,970,322.30
  5. Step 5: Solve for x
    x = 66,970,322.30/12,029.98
  6. Step 6: Final answer
    x = 5,566.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.