Home / 15,505.32-23,257.71-3,818.46

Finding the Fourth Proportional to 15,505.32, 23,257.71 and 3,818.46

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Solution

The fourth proportional to 15,505.32, 23,257.71 and 3,818.46 is: 5,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.32 : 23,257.71 = 3,818.46 : x
  2. Step 2: Convert to fraction form
    15,505.32/23,257.71 = 3,818.46/x
  3. Step 3: Cross multiply
    15,505.32x = 23,257.71 × 3,818.46
  4. Step 4: Simplify right side
    15,505.32x = 88,808,635.33
  5. Step 5: Solve for x
    x = 88,808,635.33/15,505.32
  6. Step 6: Final answer
    x = 5,727.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.