Home / 12,473.57-18,718.46-6,634.28

Finding the Fourth Proportional to 12,473.57, 18,718.46 and 6,634.28

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Solution

The fourth proportional to 12,473.57, 18,718.46 and 6,634.28 is: 9,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.57 : 18,718.46 = 6,634.28 : x
  2. Step 2: Convert to fraction form
    12,473.57/18,718.46 = 6,634.28/x
  3. Step 3: Cross multiply
    12,473.57x = 18,718.46 × 6,634.28
  4. Step 4: Simplify right side
    12,473.57x = 124,183,378.05
  5. Step 5: Solve for x
    x = 124,183,378.05/12,473.57
  6. Step 6: Final answer
    x = 9,955.72

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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.