Home / 15,037.85-20,769.27-10,249.58

Finding the Fourth Proportional to 15,037.85, 20,769.27 and 10,249.58

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Solution

The fourth proportional to 15,037.85, 20,769.27 and 10,249.58 is: 14,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.85 : 20,769.27 = 10,249.58 : x
  2. Step 2: Convert to fraction form
    15,037.85/20,769.27 = 10,249.58/x
  3. Step 3: Cross multiply
    15,037.85x = 20,769.27 × 10,249.58
  4. Step 4: Simplify right side
    15,037.85x = 212,876,294.41
  5. Step 5: Solve for x
    x = 212,876,294.41/15,037.85
  6. Step 6: Final answer
    x = 14,156.03

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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.