Home / 14,245.90-21,371.17-4,385.18

Finding the Fourth Proportional to 14,245.90, 21,371.17 and 4,385.18

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Solution

The fourth proportional to 14,245.90, 21,371.17 and 4,385.18 is: 6,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.90 : 21,371.17 = 4,385.18 : x
  2. Step 2: Convert to fraction form
    14,245.90/21,371.17 = 4,385.18/x
  3. Step 3: Cross multiply
    14,245.90x = 21,371.17 × 4,385.18
  4. Step 4: Simplify right side
    14,245.90x = 93,716,427.26
  5. Step 5: Solve for x
    x = 93,716,427.26/14,245.90
  6. Step 6: Final answer
    x = 6,578.48

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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.