Home / 19,286.64-28,904.68-10,970.48

Finding the Fourth Proportional to 19,286.64, 28,904.68 and 10,970.48

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Solution

The fourth proportional to 19,286.64, 28,904.68 and 10,970.48 is: 16,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.64 : 28,904.68 = 10,970.48 : x
  2. Step 2: Convert to fraction form
    19,286.64/28,904.68 = 10,970.48/x
  3. Step 3: Cross multiply
    19,286.64x = 28,904.68 × 10,970.48
  4. Step 4: Simplify right side
    19,286.64x = 317,098,213.85
  5. Step 5: Solve for x
    x = 317,098,213.85/19,286.64
  6. Step 6: Final answer
    x = 16,441.34

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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.