Home / 19,120.10-28,674.68-9,754.28

Finding the Fourth Proportional to 19,120.10, 28,674.68 and 9,754.28

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Solution

The fourth proportional to 19,120.10, 28,674.68 and 9,754.28 is: 14,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.10 : 28,674.68 = 9,754.28 : x
  2. Step 2: Convert to fraction form
    19,120.10/28,674.68 = 9,754.28/x
  3. Step 3: Cross multiply
    19,120.10x = 28,674.68 × 9,754.28
  4. Step 4: Simplify right side
    19,120.10x = 279,700,665.49
  5. Step 5: Solve for x
    x = 279,700,665.49/19,120.10
  6. Step 6: Final answer
    x = 14,628.62

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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.