Home / 17,469.15-26,207.78-4,989.34

Finding the Fourth Proportional to 17,469.15, 26,207.78 and 4,989.34

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Solution

The fourth proportional to 17,469.15, 26,207.78 and 4,989.34 is: 7,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.15 : 26,207.78 = 4,989.34 : x
  2. Step 2: Convert to fraction form
    17,469.15/26,207.78 = 4,989.34/x
  3. Step 3: Cross multiply
    17,469.15x = 26,207.78 × 4,989.34
  4. Step 4: Simplify right side
    17,469.15x = 130,759,525.07
  5. Step 5: Solve for x
    x = 130,759,525.07/17,469.15
  6. Step 6: Final answer
    x = 7,485.17

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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.