Home / 15,513.26-21,403.04-10,213.44

Finding the Fourth Proportional to 15,513.26, 21,403.04 and 10,213.44

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Solution

The fourth proportional to 15,513.26, 21,403.04 and 10,213.44 is: 14,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.26 : 21,403.04 = 10,213.44 : x
  2. Step 2: Convert to fraction form
    15,513.26/21,403.04 = 10,213.44/x
  3. Step 3: Cross multiply
    15,513.26x = 21,403.04 × 10,213.44
  4. Step 4: Simplify right side
    15,513.26x = 218,598,664.86
  5. Step 5: Solve for x
    x = 218,598,664.86/15,513.26
  6. Step 6: Final answer
    x = 14,091.08

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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.