Home / 10,371.64-14,317.68-6,121.30

Finding the Fourth Proportional to 10,371.64, 14,317.68 and 6,121.30

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Solution

The fourth proportional to 10,371.64, 14,317.68 and 6,121.30 is: 8,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.64 : 14,317.68 = 6,121.30 : x
  2. Step 2: Convert to fraction form
    10,371.64/14,317.68 = 6,121.30/x
  3. Step 3: Cross multiply
    10,371.64x = 14,317.68 × 6,121.30
  4. Step 4: Simplify right side
    10,371.64x = 87,642,814.58
  5. Step 5: Solve for x
    x = 87,642,814.58/10,371.64
  6. Step 6: Final answer
    x = 8,450.24

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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.