Home / 15,627.07-21,561.96-8,910.82

Finding the Fourth Proportional to 15,627.07, 21,561.96 and 8,910.82

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Solution

The fourth proportional to 15,627.07, 21,561.96 and 8,910.82 is: 12,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.07 : 21,561.96 = 8,910.82 : x
  2. Step 2: Convert to fraction form
    15,627.07/21,561.96 = 8,910.82/x
  3. Step 3: Cross multiply
    15,627.07x = 21,561.96 × 8,910.82
  4. Step 4: Simplify right side
    15,627.07x = 192,134,744.41
  5. Step 5: Solve for x
    x = 192,134,744.41/15,627.07
  6. Step 6: Final answer
    x = 12,294.99

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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.