Home / 13,913.72-19,194.90-9,204.56

Finding the Fourth Proportional to 13,913.72, 19,194.90 and 9,204.56

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Solution

The fourth proportional to 13,913.72, 19,194.90 and 9,204.56 is: 12,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.72 : 19,194.90 = 9,204.56 : x
  2. Step 2: Convert to fraction form
    13,913.72/19,194.90 = 9,204.56/x
  3. Step 3: Cross multiply
    13,913.72x = 19,194.90 × 9,204.56
  4. Step 4: Simplify right side
    13,913.72x = 176,680,608.74
  5. Step 5: Solve for x
    x = 176,680,608.74/13,913.72
  6. Step 6: Final answer
    x = 12,698.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.