Home / 11,274.62-15,560.87-6,561.63

Finding the Fourth Proportional to 11,274.62, 15,560.87 and 6,561.63

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Solution

The fourth proportional to 11,274.62, 15,560.87 and 6,561.63 is: 9,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.62 : 15,560.87 = 6,561.63 : x
  2. Step 2: Convert to fraction form
    11,274.62/15,560.87 = 6,561.63/x
  3. Step 3: Cross multiply
    11,274.62x = 15,560.87 × 6,561.63
  4. Step 4: Simplify right side
    11,274.62x = 102,104,638.61
  5. Step 5: Solve for x
    x = 102,104,638.61/11,274.62
  6. Step 6: Final answer
    x = 9,056.15

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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.