Home / 11,755.55-16,206.95-10,069.74

Finding the Fourth Proportional to 11,755.55, 16,206.95 and 10,069.74

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Solution

The fourth proportional to 11,755.55, 16,206.95 and 10,069.74 is: 13,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.55 : 16,206.95 = 10,069.74 : x
  2. Step 2: Convert to fraction form
    11,755.55/16,206.95 = 10,069.74/x
  3. Step 3: Cross multiply
    11,755.55x = 16,206.95 × 10,069.74
  4. Step 4: Simplify right side
    11,755.55x = 163,199,797.87
  5. Step 5: Solve for x
    x = 163,199,797.87/11,755.55
  6. Step 6: Final answer
    x = 13,882.78

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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.