Home / 12,037.06-18,053.88-4,139.44

Finding the Fourth Proportional to 12,037.06, 18,053.88 and 4,139.44

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Solution

The fourth proportional to 12,037.06, 18,053.88 and 4,139.44 is: 6,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.06 : 18,053.88 = 4,139.44 : x
  2. Step 2: Convert to fraction form
    12,037.06/18,053.88 = 4,139.44/x
  3. Step 3: Cross multiply
    12,037.06x = 18,053.88 × 4,139.44
  4. Step 4: Simplify right side
    12,037.06x = 74,732,953.03
  5. Step 5: Solve for x
    x = 74,732,953.03/12,037.06
  6. Step 6: Final answer
    x = 6,208.57

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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.