Home / 10,037.09-13,857.55-6,453.72

Finding the Fourth Proportional to 10,037.09, 13,857.55 and 6,453.72

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Solution

The fourth proportional to 10,037.09, 13,857.55 and 6,453.72 is: 8,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.09 : 13,857.55 = 6,453.72 : x
  2. Step 2: Convert to fraction form
    10,037.09/13,857.55 = 6,453.72/x
  3. Step 3: Cross multiply
    10,037.09x = 13,857.55 × 6,453.72
  4. Step 4: Simplify right side
    10,037.09x = 89,432,731.45
  5. Step 5: Solve for x
    x = 89,432,731.45/10,037.09
  6. Step 6: Final answer
    x = 8,910.22

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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.