Home / 14,179.50-19,568.34-7,892.28

Finding the Fourth Proportional to 14,179.50, 19,568.34 and 7,892.28

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Solution

The fourth proportional to 14,179.50, 19,568.34 and 7,892.28 is: 10,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.50 : 19,568.34 = 7,892.28 : x
  2. Step 2: Convert to fraction form
    14,179.50/19,568.34 = 7,892.28/x
  3. Step 3: Cross multiply
    14,179.50x = 19,568.34 × 7,892.28
  4. Step 4: Simplify right side
    14,179.50x = 154,438,818.42
  5. Step 5: Solve for x
    x = 154,438,818.42/14,179.50
  6. Step 6: Final answer
    x = 10,891.70

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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.