Home / 21,214.62-29,273.99-12,265.01

Finding the Fourth Proportional to 21,214.62, 29,273.99 and 12,265.01

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Solution

The fourth proportional to 21,214.62, 29,273.99 and 12,265.01 is: 16,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214.62 : 29,273.99 = 12,265.01 : x
  2. Step 2: Convert to fraction form
    21,214.62/29,273.99 = 12,265.01/x
  3. Step 3: Cross multiply
    21,214.62x = 29,273.99 × 12,265.01
  4. Step 4: Simplify right side
    21,214.62x = 359,045,572.39
  5. Step 5: Solve for x
    x = 359,045,572.39/21,214.62
  6. Step 6: Final answer
    x = 16,924.44

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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.