Home / 15,512.26-21,401.67-10,212.43

Finding the Fourth Proportional to 15,512.26, 21,401.67 and 10,212.43

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Solution

The fourth proportional to 15,512.26, 21,401.67 and 10,212.43 is: 14,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.26 : 21,401.67 = 10,212.43 : x
  2. Step 2: Convert to fraction form
    15,512.26/21,401.67 = 10,212.43/x
  3. Step 3: Cross multiply
    15,512.26x = 21,401.67 × 10,212.43
  4. Step 4: Simplify right side
    15,512.26x = 218,563,056.76
  5. Step 5: Solve for x
    x = 218,563,056.76/15,512.26
  6. Step 6: Final answer
    x = 14,089.70

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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.