Home / 13,163.04-19,718.46-6,913.62

Finding the Fourth Proportional to 13,163.04, 19,718.46 and 6,913.62

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Solution

The fourth proportional to 13,163.04, 19,718.46 and 6,913.62 is: 10,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.04 : 19,718.46 = 6,913.62 : x
  2. Step 2: Convert to fraction form
    13,163.04/19,718.46 = 6,913.62/x
  3. Step 3: Cross multiply
    13,163.04x = 19,718.46 × 6,913.62
  4. Step 4: Simplify right side
    13,163.04x = 136,325,939.43
  5. Step 5: Solve for x
    x = 136,325,939.43/13,163.04
  6. Step 6: Final answer
    x = 10,356.72

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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.