Home / 20,037.33-30,053.97-6,890.63

Finding the Fourth Proportional to 20,037.33, 30,053.97 and 6,890.63

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Solution

The fourth proportional to 20,037.33, 30,053.97 and 6,890.63 is: 10,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.33 : 30,053.97 = 6,890.63 : x
  2. Step 2: Convert to fraction form
    20,037.33/30,053.97 = 6,890.63/x
  3. Step 3: Cross multiply
    20,037.33x = 30,053.97 × 6,890.63
  4. Step 4: Simplify right side
    20,037.33x = 207,090,637.03
  5. Step 5: Solve for x
    x = 207,090,637.03/20,037.33
  6. Step 6: Final answer
    x = 10,335.24

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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.