Home / 10,057.21-13,885.06-7,814.85

Finding the Fourth Proportional to 10,057.21, 13,885.06 and 7,814.85

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Solution

The fourth proportional to 10,057.21, 13,885.06 and 7,814.85 is: 10,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.21 : 13,885.06 = 7,814.85 : x
  2. Step 2: Convert to fraction form
    10,057.21/13,885.06 = 7,814.85/x
  3. Step 3: Cross multiply
    10,057.21x = 13,885.06 × 7,814.85
  4. Step 4: Simplify right side
    10,057.21x = 108,509,661.14
  5. Step 5: Solve for x
    x = 108,509,661.14/10,057.21
  6. Step 6: Final answer
    x = 10,789.24

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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.