Home / 13,902.76-20,856.84-6,005.28

Finding the Fourth Proportional to 13,902.76, 20,856.84 and 6,005.28

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Solution

The fourth proportional to 13,902.76, 20,856.84 and 6,005.28 is: 9,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.76 : 20,856.84 = 6,005.28 : x
  2. Step 2: Convert to fraction form
    13,902.76/20,856.84 = 6,005.28/x
  3. Step 3: Cross multiply
    13,902.76x = 20,856.84 × 6,005.28
  4. Step 4: Simplify right side
    13,902.76x = 125,251,164.12
  5. Step 5: Solve for x
    x = 125,251,164.12/13,902.76
  6. Step 6: Final answer
    x = 9,009.09

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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.