Home / 15,740.66-21,723.64-11,754.85

Finding the Fourth Proportional to 15,740.66, 21,723.64 and 11,754.85

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Solution

The fourth proportional to 15,740.66, 21,723.64 and 11,754.85 is: 16,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.66 : 21,723.64 = 11,754.85 : x
  2. Step 2: Convert to fraction form
    15,740.66/21,723.64 = 11,754.85/x
  3. Step 3: Cross multiply
    15,740.66x = 21,723.64 × 11,754.85
  4. Step 4: Simplify right side
    15,740.66x = 255,358,171.50
  5. Step 5: Solve for x
    x = 255,358,171.50/15,740.66
  6. Step 6: Final answer
    x = 16,222.84

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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.