Home / 14,187.30-21,284.40-6,396.12

Finding the Fourth Proportional to 14,187.30, 21,284.40 and 6,396.12

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Solution

The fourth proportional to 14,187.30, 21,284.40 and 6,396.12 is: 9,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.30 : 21,284.40 = 6,396.12 : x
  2. Step 2: Convert to fraction form
    14,187.30/21,284.40 = 6,396.12/x
  3. Step 3: Cross multiply
    14,187.30x = 21,284.40 × 6,396.12
  4. Step 4: Simplify right side
    14,187.30x = 136,137,576.53
  5. Step 5: Solve for x
    x = 136,137,576.53/14,187.30
  6. Step 6: Final answer
    x = 9,595.74

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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.