Home / 9,992.04-14,989.26-3,419.70

Finding the Fourth Proportional to 9,992.04, 14,989.26 and 3,419.70

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Solution

The fourth proportional to 9,992.04, 14,989.26 and 3,419.70 is: 5,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.04 : 14,989.26 = 3,419.70 : x
  2. Step 2: Convert to fraction form
    9,992.04/14,989.26 = 3,419.70/x
  3. Step 3: Cross multiply
    9,992.04x = 14,989.26 × 3,419.70
  4. Step 4: Simplify right side
    9,992.04x = 51,258,772.42
  5. Step 5: Solve for x
    x = 51,258,772.42/9,992.04
  6. Step 6: Final answer
    x = 5,129.96

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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.