Home / 13,177.35-19,766.03-5,384.34

Finding the Fourth Proportional to 13,177.35, 19,766.03 and 5,384.34

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Solution

The fourth proportional to 13,177.35, 19,766.03 and 5,384.34 is: 8,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.35 : 19,766.03 = 5,384.34 : x
  2. Step 2: Convert to fraction form
    13,177.35/19,766.03 = 5,384.34/x
  3. Step 3: Cross multiply
    13,177.35x = 19,766.03 × 5,384.34
  4. Step 4: Simplify right side
    13,177.35x = 106,426,999.05
  5. Step 5: Solve for x
    x = 106,426,999.05/13,177.35
  6. Step 6: Final answer
    x = 8,076.51

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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.