Home / 14,214.29-21,320.82-4,855.14

Finding the Fourth Proportional to 14,214.29, 21,320.82 and 4,855.14

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Solution

The fourth proportional to 14,214.29, 21,320.82 and 4,855.14 is: 7,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.29 : 21,320.82 = 4,855.14 : x
  2. Step 2: Convert to fraction form
    14,214.29/21,320.82 = 4,855.14/x
  3. Step 3: Cross multiply
    14,214.29x = 21,320.82 × 4,855.14
  4. Step 4: Simplify right side
    14,214.29x = 103,515,566.01
  5. Step 5: Solve for x
    x = 103,515,566.01/14,214.29
  6. Step 6: Final answer
    x = 7,282.50

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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.