Home / 12,917.07-19,373.04-3,554.69

Finding the Fourth Proportional to 12,917.07, 19,373.04 and 3,554.69

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Solution

The fourth proportional to 12,917.07, 19,373.04 and 3,554.69 is: 5,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.07 : 19,373.04 = 3,554.69 : x
  2. Step 2: Convert to fraction form
    12,917.07/19,373.04 = 3,554.69/x
  3. Step 3: Cross multiply
    12,917.07x = 19,373.04 × 3,554.69
  4. Step 4: Simplify right side
    12,917.07x = 68,865,054.69
  5. Step 5: Solve for x
    x = 68,865,054.69/12,917.07
  6. Step 6: Final answer
    x = 5,331.32

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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.